ci: launch test workflow also on release and bugfix branches

[ndr-brt]

What this PR changes/adds

Launches test.yaml workflow also on release/* and bugfix/*

Why it does that

Briefly state why the change was necessary.

Further notes

• unify "verify" checks only the same workflow
• remove "upload test results" and "coverage" stuff

Linked Issue(s)

Closes # <-- insert Issue number if one exists

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