chore(deps): update peter-evans/create-pull-request action to v8

Author: renovate[bot]

.github/workflows/prefetch-sponsors.yml

@@ -38,7 +38,7 @@ jobs:
 
       - name: 'Create: pull request'
         if: steps.check-changes.outputs.has_changes == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: 'Prefetch-sponsors: update sponsor data'