Build zip artifact on release and wp production branches.

[peterwilsoncc]

What?

Runs the workflow to create the zip file artifact on each push to release/* and wp/* branches.

Fixes #65345.

Why?

These are production branches and having the plugin zip file available will prove handy for testing.

How?

Adds the branches as wildcards to the push -> branches section of the workflow.

Testing Instructions

I think this needs to be YOLO merged and monitored once the workflow is committed to trunk.

Please check:

• wildcard syntax against the docs
• prefixes against list of branches

Testing Instructions for Keyboard

N/A

Screenshots or screencast

N/A

[github-actions]

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[github-actions]

Flaky tests detected in cc34971.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/10930964483
📝 Reported issues:

• [Flaky Test] preserves content in the Custom HTML block #44672 in /test/e2e/specs/widgets/customizing-widgets.spec.js