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

Author: renovate[bot]

.github/workflows/update-unbound-root-hints.yml

@@ -19,7 +19,7 @@ jobs:
         run: curl --output images/unbound/root.hints https://www.internic.net/domain/named.cache
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@22a9089034f40e5a961c8808d113e2c98fb63676 # v7.0.11
+        uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v8.0.0
         with:
           token: ${{ secrets.BOT_FILE_UPDATE_TOKEN }}
           branch: chore/update-unbound-root-hints