feat(calendar): add calendar versioning strategy

[wikando-ck]

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:

• Make sure to open an issue as a bug/issue before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea
• Ensure the tests and linter pass
• Code coverage does not decrease (if any source code was changed)
• Appropriate docs were updated (if necessary)

Fixes:

• Close Calendar versioning (CalVer) alternatively to SemVer release-please-action#1053
• Close Support of calver #1848

To try this, check out the branch and run

npm run compile && node build/src/bin/release-please.js release-pr \
--token=$GITHUB_TOKEN \
--repo-url=org/repo \
--release-type=node \
--versioning-strategy=calendar \
--calver-scheme=YYY.0M.0D-MICRO \
--dry-run

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[ckrack]

@chingor13 any chance to get a review?
I'll rebase once we get going.