Update peter-evans/create-pull-request action to v8

Author: renovate[bot]

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

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
       - uses: browniebroke/pre-commit-autoupdate-action@main
-      - uses: peter-evans/create-pull-request@v7
+      - uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           branch: update/pre-commit-hooks