Update Maven plugins

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.apache.maven.plugins:maven-gpg-plugin	3.2.6 -> 3.2.7
com.google.cloud.tools:jib-maven-plugin	3.4.3 -> 3.4.4

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.90%. Comparing base (559fac5) to head (250f63c).
Report is 1 commits behind head on dev-2.x.

Additional details and impacted files

@@            Coverage Diff             @@
##             dev-2.x    #6187   +/-   ##
==========================================
  Coverage      69.90%   69.90%           
  Complexity     17722    17722           
==========================================
  Files           1998     1998           
  Lines          75443    75443           
  Branches        7718     7718           
==========================================
  Hits           52739    52739           
+ Misses         20025    20024    -1     
- Partials        2679     2680    +1     

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