Prep release 13.1.1

[openedx-webhooks]

Thanks for the pull request, @michaelwheeler! Please note that it may take us up to several weeks or months to complete a review and merge your PR.

Feel free to add as much of the following information to the ticket as you can:

• supporting documentation
• Open edX discussion forum threads
• timeline information ("this must be merged by XX date", and why that is)
• partner information ("this is a course on edx.org")
• any other information that can help Product understand the context for the PR

All technical communication about the code itself will be done via the GitHub pull request interface. As a reminder, our process documentation is here.

Please let us know once your PR is ready for our review and all tests are green.

:warning: We can't start reviewing your pull request until you've submitted a signed contributor agreement or indicated your institutional affiliation. Please see the CONTRIBUTING file for more information. If you've signed an agreement in the past, you may need to re-sign. See The New Home of the Open edX Codebase for details.

Once you've signed the CLA, please allow 1 business day for it to be processed. After this time, you can re-run the CLA check by editing the PR title. If the problem persists, you can tag the @openedx/cla-problems team in a comment on your PR for further assistance.

[openedx-webhooks]

@michaelwheeler Even though your pull request wasn’t merged, please take a moment to answer a two question survey so we can improve your experience in the future.