Use double star for tag filter

[Arlodotexe]

The PR attempts to fix our tag-based scheduled release build workflow not triggering on the tag ref when the tag is pushed by changing the filter used in the push event.

See also:

• https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax#onpushbranchestagsbranches-ignoretags-ignore
• https://docs.github.com/en/actions/reference/workflows-and-actions/events-that-trigger-workflows#push