chore: updating the workflows

[deborahgu]

our github actions should point to our release branch

Description

Include a description of your changes here, along with a link to any relevant Jira tickets and/or Github issues.

JIRA

XXX-XXXX

How Has This Been Tested?

Please describe in detail how you tested your changes.

Screenshots/sandbox (optional):

Include a link to the sandbox for design changes or screenshot for before and after. Remove this section if its not applicable.

Before	After

Merge Checklist

• If your update includes visual changes, have they been reviewed by a designer? Send them a link to the Sandbox, if applicable.
• Is there adequate test coverage for your changes?

Post-merge Checklist

• Deploy the changes to prod after verifying on stage or ask @openedx/2u-infinity to do it.
• 🎉 🙌 Celebrate! Thanks for your contribution.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.58%. Comparing base (f8868b1) to head (9583ac8).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1587   +/-   ##
=======================================
  Coverage   87.58%   87.58%           
=======================================
  Files         124      124           
  Lines        2304     2304           
  Branches      648      648           
=======================================
  Hits         2018     2018           
  Misses        277      277           
  Partials        9        9           

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