Add max line length of 120 to linter

[angelapwen]

This change adds the max-len property to the linter, which will enforce a maximum of 120 characters per line. It also ignores URLs, strings, and template literals in case these cases exceed 120 characters.

We also have the option to ignore all comments, or just trailing comments (https://eslint.org/docs/latest/rules/max-len). I have left those out for now but am open to adding them! The PR also fixes some comments that have exceeded the 120 character limit.

Merge / deployment checklist

• Confirm this change is backwards compatible with existing workflows.
• Confirm the readme has been updated if necessary.
• Confirm the changelog has been updated if necessary.

[aeisenberg]

Nice. My understanding is that the linting rules here are copied from gh/gh. I think it's generally ok to become stricter than gh/gh, but not more lenient. So, this PR LGTM.

[henrymercer]

LGTM. Perhaps we can look to remove the ignore* settings as we go forwards, but we should prioritize this alongside re-enabling the rules we disabled while transitioning to eslint at the bottom of the file.

[angelapwen]

Had to rebase main in so requesting re-review!

[henrymercer]

For next time (I don't think this is worth a recompiling and rerunning the checks for)

Suggested change

	/** Whether the relevant tools dotcom feature flags have been misconfigured.
	* Only populated if we attempt to determine the default version based on the dotcom feature flags. */
	/**
	* Whether the relevant tools dotcom feature flags have been misconfigured.
	* Only populated if we attempt to determine the default version based on the dotcom feature flags. */

[angelapwen]

Made the change in this PR: #1532