chore(deps): [security] bump handlebars from 4.2.0 to 4.6.0

[dependabot-preview[bot]]

Bumps handlebars from 4.2.0 to 4.6.0. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

High severity vulnerability that affects handlebars Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's proto and defineGetter properties, which may allow an attacker to execute arbitrary code through crafted payloads.

Affected versions: < 4.3.0

Changelog

Sourced from handlebars's changelog.

v4.6.0 - January 8th, 2020

Features:

• feat: access control to prototype properties via whitelist (#1633)- d03b6ec

Bugfixes:

• fix(runtime.js): partials compile not caching (#1600) - 23d58e7

Chores, docs:

• various refactorings and improvements to tests - d7f0dcf, 187d611, d337f40
• modernize the build-setup
  • use prettier to format and eslint to verify - c40d9f3, 8901c28, e97685e, 1f61f21
  • use nyc instead of istanbul to collect coverage - 164b7ff, 1ebce2b
  • update build code to use modern javascript and make it cleaner - 14b621c, 1ec1737, 3a5b65e, dde108e, 04b1984, 587e7a3
  • restructur build commands - e913dc5,
• eslint rule changes - ac4655e, dc54952
• Update (C) year in the LICENSE file - d1fb07b
• chore: try to fix saucelabs credentials (#1627) -
• Update readme.md with updated links (#1620) - edcc84f

BREAKING CHANGES:

• access to prototype properties is forbidden completely by default, specific properties or methods can be allow via runtime-options. See #1633 for details. If you are using Handlebars as documented, you should not be accessing prototype properties from your template anyway, so the changes should not be a problem for you. Only the use of undocumented features can break your build.

  That is why we only bump the minor version despite mentioning breaking changes

Commits

v4.5.3 - November 18th, 2019

Bugfixes:

• fix: add "no-prototype-builtins" eslint-rule and fix all occurences - f7f05d7
• fix: add more properties required to be enumerable - 1988878

Chores / Build:

• fix: use !== 0 instead of != 0 - c02b05f
• add chai and dirty-chai and sinon, for cleaner test-assertions and spies, deprecate old assertion-methods - 93e284e, 886ba86, 0817dad, 93516a0

Security:

... (truncated)

Commits

• 91a1b5d v4.6.0
• 770d746 Update release notes
• d7f0dcf refactor: fix typo in private test method
• 187d611 test: add path to nodeJs when running test:bin
• d337f40 test: show diff when test:bin fails
• d03b6ec feat: access control to prototype properties via whitelist
• 164b7ff chore: ignore .nyc_output
• ac4655e chore: disable "dot-notation" rule
• 14b621c test/style: remove or hide unused code in git.js, add tests
• 1ec1737 test/style: refactor remaining grunt tasks to use promises instead of callbacks
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #91.