Bump handlebars from 4.5.3 to 4.6.0

[dependabot-preview]

Bumps handlebars from 4.5.3 to 4.6.0.

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

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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