Run maven-source-plugin on jar-no-fork

[simonmarty]

Issue #, if available:

Description of changes: Matches v2 here

https://maven.apache.org/plugins/maven-source-plugin/jar-no-fork-mojo.html

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.56%. Comparing base (49b9d1a) to head (8651a23).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #176   +/-   ##
=========================================
  Coverage     96.56%   96.56%           
  Complexity       99       99           
=========================================
  Files             6        6           
  Lines           233      233           
  Branches         26       26           
=========================================
  Hits            225      225           
  Misses            5        5           
  Partials          3        3           

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