ARCH-2011 - Adding tests & upgrading node

[danielle-casella-adams]

Summary of PR changes

Changes for Testing:

• Adding tests for the action in build-and-review-pr.yml
• Adding new outputs to facilitate testing
  • status-check-ids
  • pr-comment-id
  • test-results-file-path

Additional Changes:

• Small improvements to code for clarity/efficiency
• Fixed the whitespace in the markup generated so it is valid markup
• Renamed some functions & variables to make it clearer what they are doing
• Update to Node 20. (Can be done by including PR #35)
• Adding the ability to truncate messages that are too long automatically
• Adding an identifier in the markup prefix that matches the recent change in process-cypress-test-results

PR Requirements

• For major, minor, or breaking changes, at least one of the commit messages contains the appropriate +semver: keywords.
  • See the Incrementing the Version section of the repository's README.md for more details.
• The action code does not contain sensitive information.

NOTE: If the repo's workflow could not automatically update the README.md, it should be updated manually with the next version. For javascript actions, if the repo's workflow could not automatically recompile the action it should also be updated manually as part of the PR.

[github-actions]

Before this PR can be merged, the following item(s) should be addressed to comply with the action's Contributing Guidelines.

• Please ensure the action has been recompiled by running the following command from the root of the repository:
  npm run build