Add diagnostic ability to retrieve Konflux containerfile/scriptfile

[rnc]

Layers on top of #1580 to add ability to retrieve new files locally as diagnostic.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[codecov]

Codecov Report

Attention: Patch coverage is 7.24638% with 64 lines in your changes are missing coverage. Please review.

Project coverage is 43.49%. Comparing base (108667f) to head (bd39518).

Files	Patch %	Lines
...tudio/jvmbuild/cli/builds/BuildKonfluxCommand.java	0.00%	64 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1633      +/-   ##
============================================
- Coverage     43.71%   43.49%   -0.22%     
  Complexity      773      773              
============================================
  Files           274      275       +1     
  Lines         11640    11708      +68     
  Branches       1384     1396      +12     
============================================
+ Hits           5088     5092       +4     
- Misses         5945     6009      +64     
  Partials        607      607              

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