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

Author: renovate[bot]

.github/workflows/update-readme.yml

@@ -57,7 +57,7 @@ jobs:
 
       - run: pnpm run update-readme
 
-      - uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
+      - uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
         id: cpr
         with:
           token: ${{ steps.app-token.outputs.token }}