Test with job-dsl and maven plugin versions from BOM

[MarkEWaite]

Test with job-dsl and maven plugin versions from BOM

Since the plugin bill of materials includes those plugin versions, let's use them in the test configuration rather than declaring them explicitly and then maintaining them with dependabot updates.

Should not change the runtime dependencies in any way, since they are purely test dependencies.

Supersedes:

• Bump org.jenkins-ci.plugins:job-dsl from 1.84 to 1.89 #1828

Testing done

Confirmed that automated tests pass in the plugin module that includes the change.

Submitter checklist

• Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• Ensure that the pull request title represents the desired changelog entry
• Please describe what you did
• Link to relevant issues in GitHub or Jira
• Link to relevant pull requests, esp. upstream and downstream changes
• Ensure you have provided tests - that demonstrates feature works or fixes the issue

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.53%. Comparing base (bcfd383) to head (e5fcd7a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1837      +/-   ##
============================================
- Coverage     82.66%   82.53%   -0.14%     
+ Complexity     1362     1359       -3     
============================================
  Files           249      249              
  Lines          5233     5233              
  Branches        402      402              
============================================
- Hits           4326     4319       -7     
- Misses          798      804       +6     
- Partials        109      110       +1     

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[uhafner]

Thanks for spotting!