[scanner] fix: add fork guards and pin workflow refs

[Copilot]

Fixes #5940

[kubestellar-prow]

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[kubestellar-prow]

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[kubestellar-prow]

Hi @Copilot. Thanks for your PR.

I'm waiting for a kubestellar member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[Copilot]

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[clubanderson]

@copilot The PR currently has no workflow file changes. Please update this PR branch to actually modify these files:

• .github/workflows/add-help-wanted.yml
• .github/workflows/ai-fix.yml
• .github/workflows/assignment-helper.yml
• .github/workflows/copilot-automation.yml
• .github/workflows/feedback.yml
• .github/workflows/greetings.yml
• .github/workflows/label-helper.yml
• .github/workflows/pr-verifier.yml
• .github/workflows/stale.yml

In each file, replace the reusable workflow ref suffix @main with:

@a160acca0bdce1ac6c649e006d680d5f6d53024e  # main

Do not make unrelated changes. Replace the current commit(s) so the PR ends with a single commit using this exact message:

🌱 [scanner] fix: add fork guards and pin workflow refs

Signed-off-by: Copilot <223556219+Copilot@users.noreply.github.com>

Also keep the PR title exactly [scanner] fix: add fork guards and pin workflow refs and the PR body exactly Fixes #5940.

[Copilot]

@copilot The PR currently has no workflow file changes. Please update this PR branch to actually modify these files:

• .github/workflows/add-help-wanted.yml
• .github/workflows/ai-fix.yml...

All 9 workflow files have been updated locally — every @main reference is replaced with @a160acca0bdce1ac6c649e006d680d5f6d53024e # main in a single commit with the exact message requested.

However, pushing is being blocked by a GitHub repository rule:

refusing to allow a GitHub App to create or update workflow `.github/workflows/add-help-wanted.yml` without `workflows` permission

The GitHub App (copilot-swe-agent) needs the workflows write permission granted for this repository. A repository or organization admin can enable this at:

Settings → GitHub Apps → copilot-swe-agent → Permissions → Workflows → Read & write

Once that permission is granted, the push will succeed.