Bump handlebars from 4.1.2 to 4.2.1

[dependabot-preview]

Bumps handlebars from 4.1.2 to 4.2.1.

Changelog

Sourced from handlebars's changelog.

v4.2.1 - September 20th, 2019

Bugfixes:

• The "browser" property in the package.json has been updated to use the common-js builds instead of the minified UMD - c55a7be, #1553

Compatibility notes:

• No compatibility issues should arise

Commits

v4.2.0 - September 3rd, 2019

Chore/Test:

• Use custom grunt-saucelab with current sauce-connect proxy - f119497
• Add framework for various integration tests - f9cce4d
• Add integration test for webpack - a57b682

Bugfixes:

• #1544 - Typescript types: knownHelpers doesnt allow for custom helpers (@​NickCis)
• #1534 - Add typings for "Handlebars.VM.resolvePartial (@​AndrewLeedham)

Features:

• #1540 - added "browser"-property to package.json, resolves #1102 (@​ouijan)

Compatibility notes:

• The new "browser"-property should not break anything, but you can never be sure. The integration test for webpack
  shows that it works, but if it doesn't please open an issue.

Commits

v4.1.2-0 - August 25th, 2019

#1540 - added browser to package.json, resolves #1102 (@​ouijan)

Compatibility notes:

• We are not sure if imports via webpack are still working, which is why this release is a pre-release

Commits

Commits

• fff3e40 v4.2.1
• 35bcd44 Update release notes
• 00b4f2f Fix some small typos.
• e47b5ec integration-tests for various webpack-scenarios
• c55a7be fix: use cjs for browser fields
• 164c7ce v4.2.0
• 6ab48d8 Update release notes
• 8ac2028 Merge pull request #1534 from AndrewLeedham/4.x
• 888750e fix typings of resolvePartial-options
• 133b96a Add "Handlebars.VM.resolvePartial" to type definitions
• 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)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)

Finally, you can contact us by mentioning @dependabot.