Fix: Pin pre-commit-autoupdate-action to main

Author: alexdewar

.github/workflows/pre-commit-autoupdate.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           persist-credentials: false
       - uses: actions/setup-python@v5
-      - uses: browniebroke/pre-commit-autoupdate-action@v1
+      - uses: browniebroke/pre-commit-autoupdate-action@main
       - uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}