Update plugin test matrix GPU workflow names

[AmintorDusko]

Context: Update plugin test matrix GPU workflow names.
Links:
latest/latest
latest/stable
stable/latest
stable/stable

Description of the Change:

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[github-actions]

Hello. You may have forgotten to update the changelog!
Please edit .github/CHANGELOG.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.33%. Comparing base (f833461) to head (71c3c9e).
Report is 1 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (f833461) and HEAD (71c3c9e). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (f833461)	HEAD (71c3c9e)
	7	5

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #918       +/-   ##
===========================================
- Coverage   92.42%   56.33%   -36.10%     
===========================================
  Files          95       24       -71     
  Lines       11968     2297     -9671     
===========================================
- Hits        11062     1294     -9768     
- Misses        906     1003       +97     

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[multiphaseCFD]

LGTM! Thanks @AmintorDusko !

[maliasadi]

Thanks @AmintorDusko!