ci: Add docs update automation

[ianlewis]

Description:

Adds a workflow to create a PR for updating docs to reference the latest version.

Related Issues:

N/A

Checklist:

• [x] Review the CONTRIBUTING.md documentation.
• [x] Add a reference to a related issue in the repository.
• [x] Add a description of the changes proposed in the pull request.
• [x] Add unit tests if applicable.
• [x] Update documentation if applicable.
• [x] Add a note in the CHANGELOG.md if applicable.
• [x] Sign the Google CLA.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (0d893aa) 79.16% compared to head (0ec2304) 79.16%.

Additional details and impacted files

[](https://app.codecov.io/gh/ianlewis/todos/pull/1468?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Ian+Lewis) ```diff @@ Coverage Diff @@ ## main #1468 +/- ## ======================================= Coverage 79.16% 79.16% ======================================= Files 15 15 Lines 907 907 ======================================= Hits 718 718 Misses 138 138 Partials 51 51 ```