[DOP-22735] - fix multiple proxyUrl for spark

[TiGrib]

Change Summary

• add spliting OpenLineageSparkApplicationDetailsRunFacet.proxyUrl by ','
• update tests

Related issue number

[DOP-22735]

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.68%. Comparing base (868e822) to head (da66b44).
Report is 137 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #154   +/-   ##
========================================
  Coverage    92.68%   92.68%           
========================================
  Files          177      177           
  Lines         3880     3882    +2     
  Branches       268      269    +1     
========================================
+ Hits          3596     3598    +2     
  Misses         222      222           
  Partials        62       62           

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[dolfinus]

Please add news entry to docs/changelog/next_release