chore: Update firebase-admin to 11.11.0

[mctavish]

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Fixes #1126 🦕

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (1f772d2) 61.72% compared to head (1181438) 61.26%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1163      +/-   ##
==========================================
- Coverage   61.72%   61.26%   -0.46%     
==========================================
  Files          17       17              
  Lines        1309     1309              
  Branches      257      257              
==========================================
- Hits          808      802       -6     
- Misses        447      449       +2     
- Partials       54       58       +4     

see 3 files with indirect coverage changes

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