[stable8] fix(actions): top-align icons with multi-line action labels

[backportbot]

Backport of PR #8730

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.71%. Comparing base (3ce1481) to head (836c3b7).
⚠️ Report is 4 commits behind head on stable8.

Additional details and impacted files

@@             Coverage Diff             @@
##           stable8    #8736      +/-   ##
===========================================
- Coverage    46.72%   46.71%   -0.01%     
===========================================
  Files          195      195              
  Lines         4942     4943       +1     
  Branches      1210     1274      +64     
===========================================
  Hits          2309     2309              
+ Misses        2546     2545       -1     
- Partials        87       89       +2     

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