[Bug]: Image builds in PRs from forks aren't allowed to upload to packages

[runleveldev]

Current URL

https://github.com/mieweb/opensource-server/actions/runs/27660147728/job/81901301087?pr=338

Username

No response

Version

No response

Steps to reproduce

1. Create a fork
2. Make a pr
3. approve workflows
4. observe build-and-push images workflow failure

Expected behavior

Approved workflows should either (a) be able to upload images or (b) not attempt to push images (just verify the build).

Actual behavior

Workflow fails with insufficient permissions.

Additional context

No response