ci: unify workflow names (follow file name)

[nikku]

Proposed Changes

Proposal to make workflow names follow the file names they are defined in.

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[misiekhardcore]

I think this will cause all those workflow appear with the old and the new name in GH actions section if we do this.

[nikku]

I think this will cause all those workflow appear with the old and the new name in GH actions section if we do this.

I think that would be an OK thing. We'll anyway have some flows decaying, i.e. when we decide to remove them. GitHub added "workflow pinning", so if "focussing on the relevant flows" is something we want to do, then we could use that feature going in the future: