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[bot]]

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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

:exclamation: 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

```diff @@ 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 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.