Use latest version of create PR action

Author: cap10morgan

.github/workflows/official-images-pr.yml

@@ -67,7 +67,7 @@ jobs:
           github-username: ${{ github.actor }}
           token: ${{ secrets.API_TOKEN_GITHUB }}
       - name: Open official-images pull request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.API_TOKEN_GITHUB }}
           path: official-images