Update mikepenz/action-junit-report action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
mikepenz/action-junit-report	action	major	v3 -> v4

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Release Notes

mikepenz/action-junit-report (mikepenz/action-junit-report)

### [`v4`](https://togithub.com/mikepenz/action-junit-report/releases/tag/v4) [Compare Source](https://togithub.com/mikepenz/action-junit-report/compare/v3...v4) - no changes

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[codecov[bot]]

Codecov Report

Merging #28 (8676ea1) into main (9fdf44f) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #28   +/-   ##
=======================================
  Coverage   77.02%   77.02%           
=======================================
  Files           9        9           
  Lines         148      148           
  Branches       32       32           
=======================================
  Hits          114      114           
  Misses         16       16           
  Partials       18       18           

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