Update stefanzweifel/git-auto-commit-action digest to 8621497

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
stefanzweifel/git-auto-commit-action	action	digest	8756aa0 -> 8621497

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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