chore: remove committed PGP public key files

[srtaalej]

Summary

• Removes my-key.asc and my-public-key.asc which were accidentally committed to the repo

Test plan

• No code changes, just file removal

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.36%. Comparing base (797d1c1) to head (5935eed).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1560      +/-   ##
============================================
+ Coverage     73.28%   73.36%   +0.07%     
- Complexity     4513     4528      +15     
============================================
  Files           477      479       +2     
  Lines         14274    14321      +47     
  Branches       1487     1495       +8     
============================================
+ Hits          10461    10506      +45     
- Misses         2922     2924       +2     
  Partials        891      891              

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