run-on-specific-branches-or-tags1: terminology fix

[wh0]

Why:

In this line, there isn't really such thing as "the undefined Git ref." Rather "defined" and "undefined" describe the branches/tags filters when you define only one of them.

Closes:

What's being changed (if available, include any code snippets, screenshots, or gifs):

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[Sharra-writes]

@wh0 Thanks for opening a PR! Copilot tells me this is correct, and I would be inclined to trust it since this is a small change, if it hadn't just completely made up a citation for me. So. I think I'm going to verify with an actual person.

[larsxschneider]

I believe filter is not right... but Git ref is not right either.

Because if branches-ignore is set, then the workflow is indeed affecting the undefined Git refs AFAIK.

If you define only tags/tags-ignore or only branches/branches-ignore, the workflow won't run for events affecting the undefined filter.

Maybe we can remove that ☝️ sentence all together because we already discuss the filters in the previous paragraphs. I am not sure.

[wh0]

you mean if you set

on:
  push: 
    # tags not set
    # tags-ignore not set
    branches-ignore: nobuild

it will still run on all pushes to tags?

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