Use jenkins.baseline to reduce bom update mistakes

[strangelookingnerd]

Use jenkins.baseline in pom.xml

This change is proposed by the plugin archetype and makes maintenance of jenkins.version and bom a little easier.

Testing done

None. Rely on ci.jenkins.io to test it.

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 71.58%. Comparing base (803edab) to head (bd6b35c).
Report is 32 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #416      +/-   ##
============================================
- Coverage     71.80%   71.58%   -0.22%     
- Complexity      162      163       +1     
============================================
  Files            16       16              
  Lines           532      535       +3     
  Branches         51       51              
============================================
+ Hits            382      383       +1     
- Misses          124      126       +2     
  Partials         26       26              

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