Update protobuf-java to 3.21.5

[xerial-bot]

Updates com.google.protobuf:protobuf-java from 3.21.4 to 3.21.5.
GitHub Release Notes - Version Diff

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

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Adjust future updates

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updates.ignore = [ { groupId = "com.google.protobuf", artifactId = "protobuf-java" } ]

Or, add this to slow down future updates of this dependency:

dependencyOverrides = [{
  pullRequests = { frequency = "@monthly" },
  dependency = { groupId = "com.google.protobuf", artifactId = "protobuf-java" }
}]

labels: library-update, early-semver-patch, semver-spec-patch, commit-count:1

[codecov]

Codecov Report

Merging #2364 (3cb6c73) into master (40a63bb) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2364      +/-   ##
==========================================
- Coverage   82.72%   82.71%   -0.01%     
==========================================
  Files         342      342              
  Lines       13102    13102              
  Branches      828      828              
==========================================
- Hits        10838    10837       -1     
- Misses       2264     2265       +1     

Impacted Files	Coverage Δ
...rx/src/main/scala/wvlet/airframe/rx/RxRunner.scala	94.29% <0.00%> (-0.44%)	⬇️

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[xerial]

No change in Java version