Bump ffi from 1.9.14 to 1.15.5

[dependabot[bot]]

Bumps ffi from 1.9.14 to 1.15.5.

Changelog

Sourced from ffi's changelog.

1.15.5 / 2022-01-10

Fixed:

• Fix long double argument or return values on 32bit i686. #849
• FFI::ConstGenerator: avoid usage of the same binary file simultaneously. #929

Added:

• Add Windows fat binary gem for Ruby-3.1

Removed:

• Remove Windows fat binary gem for Ruby < 2.4

1.15.4 / 2021-09-01

Fixed:

• Fix build for uClibc. #913
• Correct module lookup when including ffi-module gem. #912

Changed:

• Use ruby code of the ffi gem in JRuby-9.2.20+. #915

1.15.3 / 2021-06-16

Fixed:

• Fix temporary packaging issue with libffi. #904

1.15.2 / 2021-06-16

Added:

• Add support for Windows MINGW-UCRT build. #903
• Add /opt/homebrew/lib/ to fallback search paths to improve homebrew support. #880 #882

Changed:

• Regenerate types.conf for FreeBSD12 aarch64. #902

1.15.1 / 2021-05-22

Fixed:

• Append -pthread to linker options. #893
• Use arm or aarch64 to identify Apple ARM CPU arch. #899
• Allow overriding gcc with the CC env var in const_generator.rb and struct_generator.rb. #897

... (truncated)

Commits

• 4b1c43a Add ffi-1.15.5 to CHANGELOG
• 36a5681 Bump VERSION to 1.15.5
• c438e36 Merge pull request #929 from maierru/fix/shared_tmp_inside_docker
• 9552253 prevent usage same binary file simultaneously
• 517b658 Add support for x64-mingw-ucrt aka RubyInstaller-3.1.0-x64 and parallel build
• 315d66e Merge pull request #919 from xtkoba/issue849
• 0ef7a9d Keep LONGDOUBLE_ADJ >= sizeof(long double)
• 7429c5a Bump VERSION to 1.15.4 and add CHANGELOG entry
• cd0db90 Merge pull request #913 from xtkoba/uclibc
• 05eac54 Fix build for uClibc
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/librato/statsd-cookbook/network/alerts).