Change to new jetty maven plugin

[dotasek]

jetty-maven-plugin is not available for Jetty beyond version 11.x, which can result in errors in downstream projects due to an inability to resolve the 12+ version we're currently using.

It has been changed to the following:

<groupId>org.eclipse.jetty.ee10</groupId>
<artifactId>jetty-ee10-maven-plugin</artifactId>

See here for details: https://github.com/jetty/jetty.project/pull/10939/files#diff-a4f36866106c36c5a5f6342ad8343f2f04c930d48171f484deead1e2444ebcc7

[github-actions]

Formatting check succeeded!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.33%. Comparing base (497b9f2) to head (2df567a).
Report is 33 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5835      +/-   ##
============================================
- Coverage     83.39%   83.33%   -0.06%     
- Complexity    26927    26948      +21     
============================================
  Files          1681     1686       +5     
  Lines        103965   104134     +169     
  Branches      13189    13218      +29     
============================================
+ Hits          86702    86784      +82     
- Misses        11613    11702      +89     
+ Partials       5650     5648       -2     

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