Update firebase-perf to v21.0.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.firebase:firebase-perf-ktx	21.0.0 -> 21.0.1
com.google.firebase:firebase-perf	21.0.0 -> 21.0.1

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.20%. Comparing base (2e03475) to head (a16f116).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3551   +/-   ##
========================================
  Coverage    40.20%   40.20%           
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  Files          439      439           
  Lines        10893    10893           
  Branches      2439     2439           
========================================
  Hits          4380     4380           
  Misses        5783     5783           
  Partials       730      730           

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