deps: update dependency com.google.errorprone:error_prone_annotations to v2.3.4

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.errorprone:error_prone_annotations	patch	2.3.3 -> 2.3.4

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[codecov]

Codecov Report

Merging #13 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #13      +/-   ##
============================================
+ Coverage      78.8%   78.82%   +0.01%     
  Complexity      288      288              
============================================
  Files            21       21              
  Lines          2576     2578       +2     
  Branches        128      128              
============================================
+ Hits           2030     2032       +2     
  Misses          490      490              
  Partials         56       56

Impacted Files	Coverage Δ	Complexity Δ
...e/cloud/pubsub/v1/stub/SubscriberStubSettings.java	85.05% <0%> (+0.1%)	27% <0%> (ø)	⬇️

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