release: Apollo AppSync Extensions 1.2.1

[github-actions]

Release PR review checklist

• Verify version name in gradle.properties
• Verify CHANGELOG.md

Module versions

Apollo AppSync Extensions 1.2.1

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.24%. Comparing base (3f72bcb) to head (17ec6f1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3117      +/-   ##
==========================================
- Coverage   54.27%   54.24%   -0.03%     
==========================================
  Files        1038     1038              
  Lines       31991    31991              
  Branches     4700     4700              
==========================================
- Hits        17363    17354       -9     
- Misses      12788    12797       +9     
  Partials     1840     1840              

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