Bump puma from 3.6.0 to 3.12.4

[dependabot[bot]]

Bumps puma from 3.6.0 to 3.12.4.

Release notes

*Sourced from [puma's releases](https://github.com/puma/puma/releases).* > v3.12.1 > > ## v3.11.4 > No release notes provided. > > ## 3.11.0 - Love Song >  > > * 2 features: > * HTTP 103 Early Hints ([#1403](https://github-redirect.dependabot.com/puma/puma/issues/1403)) > * 421/451 status codes now have correct status messages attached ([#1435](https://github-redirect.dependabot.com/puma/puma/issues/1435)) > > * 9 bugfixes: > * Environment config files (/config/puma/.rb) load correctly ([#1340](https://github-redirect.dependabot.com/puma/puma/issues/1340)) > * Specify windows dependencies correctly ([#1434](https://github-redirect.dependabot.com/puma/puma/issues/1434), [#1436](https://github-redirect.dependabot.com/puma/puma/issues/1436)) > * puma/events required in test helper ([#1418](https://github-redirect.dependabot.com/puma/puma/issues/1418)) > * Correct control CLI's option help text ([#1416](https://github-redirect.dependabot.com/puma/puma/issues/1416)) > * Remove a warning for unused variable in mini_ssl ([#1409](https://github-redirect.dependabot.com/puma/puma/issues/1409)) > * Correct pumactl docs argument ordering ([#1427](https://github-redirect.dependabot.com/puma/puma/issues/1427)) > * Fix an uninitialized variable warning in server.rb ([#1430](https://github-redirect.dependabot.com/puma/puma/issues/1430)) > * Fix docs typo/error in Launcher init ([#1429](https://github-redirect.dependabot.com/puma/puma/issues/1429)) > * Deal with leading spaces in RUBYOPT ([#1455](https://github-redirect.dependabot.com/puma/puma/issues/1455)) > > * 2 other: > * Add docs about internals ([#1425](https://github-redirect.dependabot.com/puma/puma/issues/1425), [#1452](https://github-redirect.dependabot.com/puma/puma/issues/1452)) > * Tons of test fixes from [@​MSP-Greg](https://github.com/MSP-Greg) ([#1439](https://github-redirect.dependabot.com/puma/puma/issues/1439), [#1442](https://github-redirect.dependabot.com/puma/puma/issues/1442), [#1464](https://github-redirect.dependabot.com/puma/puma/issues/1464)) > > ## 3.10.0 - Russell's Teapot >  > > * 3 features: > * The status server has a new /gc and /gc-status command. ([#1384](https://github-redirect.dependabot.com/puma/puma/issues/1384)) > * The persistent and first data timeouts are now configurable ([#1111](https://github-redirect.dependabot.com/puma/puma/issues/1111)) > * Implemented RFC 2324 ([#1392](https://github-redirect.dependabot.com/puma/puma/issues/1392)) > > * 12 bugfixes: > * Not really a Puma bug, but [@​NickolasVashchenko](https://github.com/NickolasVashchenko) created a gem to workaround a Ruby bug that some users of Puma may be experiencing. See README for more. ([#1347](https://github-redirect.dependabot.com/puma/puma/issues/1347)) > * Fix hangups with SSL and persistent connections. ([#1334](https://github-redirect.dependabot.com/puma/puma/issues/1334)) > * Fix Rails double-binding to a port ([#1383](https://github-redirect.dependabot.com/puma/puma/issues/1383)) > * Fix incorrect thread names ([#1368](https://github-redirect.dependabot.com/puma/puma/issues/1368)) > * Fix issues with /etc/hosts and JRuby where localhost addresses were not correct. ([#1318](https://github-redirect.dependabot.com/puma/puma/issues/1318)) > * Fix compatibility with RUBYOPT="--enable-frozen-string-literal" ([#1376](https://github-redirect.dependabot.com/puma/puma/issues/1376)) > * Fixed some compiler warnings ([#1388](https://github-redirect.dependabot.com/puma/puma/issues/1388)) > * We actually run the integration tests in CI now ([#1390](https://github-redirect.dependabot.com/puma/puma/issues/1390)) > * No longer shipping unnecessary directories in the gemfile ([#1391](https://github-redirect.dependabot.com/puma/puma/issues/1391)) > * If RUBYOPT is nil, we no longer blow up on restart. ([#1385](https://github-redirect.dependabot.com/puma/puma/issues/1385)) > * Correct response to SIGINT ([#1377](https://github-redirect.dependabot.com/puma/puma/issues/1377)) > * Proper exit code returned when we receive a TERM signal ([#1337](https://github-redirect.dependabot.com/puma/puma/issues/1337)) > > * 3 refactors: > ... (truncated)

Changelog

*Sourced from [puma's changelog](https://github.com/puma/puma/blob/master/History.md).* > ## 4.3.3 and 3.12.4 / 2020-02-28 > > * Bugfixes > * Fix: Fixes a problem where we weren't splitting headers correctly on newlines ([#2132](https://github-redirect.dependabot.com/puma/puma/issues/2132)) > * Security > * Fix: Prevent HTTP Response splitting via CR in early hints. CVE-2020-5249. > > ## 4.3.2 and 3.12.3 / 2020-02-27 (YANKED) > > * Security > * Fix: Prevent HTTP Response splitting via CR/LF in header values. CVE-2020-5247. > > ## 4.3.1 and 3.12.2 / 2019-12-05 > > * Security > * Fix: a poorly-behaved client could use keepalive requests to monopolize Puma's reactor and create a denial of service attack. CVE-2019-16770. > > ## 4.3.0 / 2019-11-07 > > * Features > * Strip whitespace at end of HTTP headers ([#2010](https://github-redirect.dependabot.com/puma/puma/issues/2010)) > * Optimize HTTP parser for JRuby ([#2012](https://github-redirect.dependabot.com/puma/puma/issues/2012)) > * Add SSL support for the control app and cli ([#2046](https://github-redirect.dependabot.com/puma/puma/issues/2046), [#2052](https://github-redirect.dependabot.com/puma/puma/issues/2052)) > > * Bugfixes > * Fix Errno::EINVAL when SSL is enabled and browser rejects cert ([#1564](https://github-redirect.dependabot.com/puma/puma/issues/1564)) > * Fix pumactl defaulting puma to development if an environment was not specified ([#2035](https://github-redirect.dependabot.com/puma/puma/issues/2035)) > * Fix closing file stream when reading pid from pidfile ([#2048](https://github-redirect.dependabot.com/puma/puma/issues/2048)) > * Fix a typo in configuration option `--extra_runtime_dependencies` ([#2050](https://github-redirect.dependabot.com/puma/puma/issues/2050)) > > ## 4.2.1 / 2019-10-07 > > * 3 bugfixes > * Fix socket activation of systemd (pre-existing) unix binder files ([#1842](https://github-redirect.dependabot.com/puma/puma/issues/1842), [#1988](https://github-redirect.dependabot.com/puma/puma/issues/1988)) > * Deal with multiple calls to bind correctly ([#1986](https://github-redirect.dependabot.com/puma/puma/issues/1986), [#1994](https://github-redirect.dependabot.com/puma/puma/issues/1994), [#2006](https://github-redirect.dependabot.com/puma/puma/issues/2006)) > * Accepts symbols for `verify_mode` ([#1222](https://github-redirect.dependabot.com/puma/puma/issues/1222)) > > ## 4.2.0 / 2019-09-23 > > * 6 features > * Pumactl has a new -e environment option and reads `config/puma/.rb` config files ([#1885](https://github-redirect.dependabot.com/puma/puma/issues/1885)) > * Semicolons are now allowed in URL paths (MRI only), useful for Angular or Redmine ([#1934](https://github-redirect.dependabot.com/puma/puma/issues/1934)) > * Allow extra dependencies to be defined when using prune_bundler ([#1105](https://github-redirect.dependabot.com/puma/puma/issues/1105)) > * Puma now reports the correct port when binding to port 0, also reports other listeners when binding to localhost ([#1786](https://github-redirect.dependabot.com/puma/puma/issues/1786)) > * Sending SIGINFO to any Puma worker now prints currently active threads and their backtraces ([#1320](https://github-redirect.dependabot.com/puma/puma/issues/1320)) > * Puma threads all now have their name set on Ruby 2.3+ ([#1968](https://github-redirect.dependabot.com/puma/puma/issues/1968)) > * 4 bugfixes > * Fix some misbehavior with phased restart and externally SIGTERMed workers ([#1908](https://github-redirect.dependabot.com/puma/puma/issues/1908), [#1952](https://github-redirect.dependabot.com/puma/puma/issues/1952)) > * Fix socket closing on error ([#1941](https://github-redirect.dependabot.com/puma/puma/issues/1941)) > * Removed unnecessary SIGINT trap for JRuby that caused some race conditions ([#1961](https://github-redirect.dependabot.com/puma/puma/issues/1961)) > ... (truncated)

Commits

- [`f809e6b`](https://github.com/puma/puma/commit/f809e6b7aa3083afb8da5eb54bdd45fc391d1ba1) Add missing server_run - [`87fc7d7`](https://github.com/puma/puma/commit/87fc7d7ab8afb24f8d2079729f237080620211d4) 3.12.4 - [`e79a5b2`](https://github.com/puma/puma/commit/e79a5b28f618fa04b7060c87f0da34d299462416) HTTP Injection - fix bug + 1 more vector ([#2136](https://github-redirect.dependabot.com/puma/puma/issues/2136)) - [`2ff978f`](https://github.com/puma/puma/commit/2ff978fa9f27fd3fcd11ddf774d684fda250c46e) 3.12.3 - [`3a2b918`](https://github.com/puma/puma/commit/3a2b9186b7ca31c9cfda8c88b824618e9c3d842c) Test backport - [`37928cb`](https://github.com/puma/puma/commit/37928cbe5a80a3541d390c60cf131f9c344e77f6) 4.3.2 and 3.12.3 release notes - [`1b17e85`](https://github.com/puma/puma/commit/1b17e85a06183cd169b41ca719928c26d44a6e03) Merge pull request from GHSA-84j7-475p-hp8v - [`bb29fc7`](https://github.com/puma/puma/commit/bb29fc7fe8f822d0f72706a1ae86e49af3476777) 3.12.2 - [`058df12`](https://github.com/puma/puma/commit/058df12b78e7d1ec661c3b8777f26a736c26675b) 4.3.1 and 4.2.1 release notes - [`06053e6`](https://github.com/puma/puma/commit/06053e60908074bb38293d4449ea261cb009b53e) Merge pull request from GHSA-7xx3-m584-x994 - Additional commits viewable in [compare view](https://github.com/puma/puma/compare/v3.6.0...v3.12.4)

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Superseded by #55.