Limit workflows to only run on the official repo to avoid forks unnecessary usage

[TimoPtr]

Summary

I had some forks cloned locally and I noticed that some forks where running some workflows like the weekly workflow. It doesn't make sense and waste resources. On top of that the contributors might not even know that it runs there.

Checklist

• New or updated tests have been added to cover the changes following the testing guidelines.
• The code follows the project's code style and best_practices.
• The changes have been thoroughly tested, and edge cases have been considered.
• Changes are backward compatible whenever feasible. Any breaking changes are documented in the changelog for users and/or in the code for developers depending on the relevance.
• I have read the Open Home Foundation AI Policy.

Select exactly one option that describes AI usage in this contribution:

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[Copilot]

Pull request overview

This PR reduces unnecessary GitHub Actions usage on forked repositories by gating several resource- and permission-heavy workflows to only execute on the official home-assistant/android repository.

Changes:

• Add job-level if: github.repository == 'home-assistant/android' guards to scheduled/tagging workflows (weekly/monthly).
• Add the same repository guard to release/publishing workflows (onPush + release).
• Prevent the “restrict task creation” automation from running on forks.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
.github/workflows/weekly.yml	Gate the weekly tagging job to only run on home-assistant/android.
.github/workflows/monthly.yml	Gate the monthly version bump job to only run on home-assistant/android.
.github/workflows/onPush.yml	Gate release/publish jobs so they don’t execute on forks.
.github/workflows/release.yml	Gate production promotion job to only run on home-assistant/android.
.github/workflows/renovate-lockfiles.yml	Gate renovate lockfile update job to only run on home-assistant/android.
.github/workflows/restrict-task-creation.yml	Gate the issue automation job to only run on home-assistant/android.