Add api-breakage GH action

[adam-fowler]

No description provided.

[codecov]

Codecov Report

Merging #122 (73e4df2) into main (c321935) will decrease coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #122      +/-   ##
==========================================
- Coverage   78.13%   78.00%   -0.14%     
==========================================
  Files          72       72              
  Lines        3060     3060              
==========================================
- Hits         2391     2387       -4     
- Misses        669      673       +4     

Impacted Files	Coverage Δ
Sources/HummingbirdJobs/JobQueueWorker.swift	92.30% <0.00%> (-5.13%)	⬇️

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