Bump up spotbugs version

[zoewangg]

Description

Fix #2165

Motivation and Context

Testing

tested locally with JDK 15

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Checklist

• I have read the CONTRIBUTING document
• Local run of mvn install succeeds
• My code follows the code style of this project
• My change requires a change to the Javadoc documentation
• I have updated the Javadoc documentation accordingly
• I have read the README document
• I have added tests to cover my changes
• All new and existing tests passed
• A short description of the change has been added to the CHANGELOG
• My change is to implement 1.11 parity feature and I have updated LaunchChangelog

License

• I confirm that this pull request can be released under the Apache 2 license

[codecov-io]

Codecov Report

Merging #2171 (231aec4) into master (668e773) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2171   +/-   ##
=========================================
  Coverage     77.44%   77.45%           
  Complexity      328      328           
=========================================
  Files          1222     1222           
  Lines         38301    38301           
  Branches       3018     3018           
=========================================
+ Hits          29663    29666    +3     
+ Misses         7183     7180    -3     
  Partials       1455     1455           

Flag	Coverage Δ	Complexity Δ
unittests	77.45% <ø> (+<0.01%)	0.00 <ø> (ø)

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Impacted Files	Coverage Δ	Complexity Δ
...ine/stages/ApiCallAttemptTimeoutTrackingStage.java	93.10% <0.00%> (-6.90%)	0.00% <0.00%> (ø%)
...ty/internal/IdleConnectionCountingChannelPool.java	85.36% <0.00%> (-2.44%)	0.00% <0.00%> (ø%)
...ssdk/core/internal/async/FileAsyncRequestBody.java	84.76% <0.00%> (+3.80%)	0.00% <0.00%> (ø%)
...nio/netty/internal/OldConnectionReaperHandler.java	90.90% <0.00%> (+9.09%)	0.00% <0.00%> (ø%)

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