Pin GitHub actions to specific hashes

[timothy-nunn]

No description provided.

[timothy-nunn]

Waiting for fppf-actions to pin and then do a release so that I can pin to that hash

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 47.81%. Comparing base (771e4d2) to head (23597a7).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4147   +/-   ##
=======================================
  Coverage   47.81%   47.81%           
=======================================
  Files         143      143           
  Lines       29993    29993           
=======================================
  Hits        14342    14342           
  Misses      15651    15651           

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