Add checkout to update config branch

Author: Kuuuube

.github/workflows/update_config_branch.yml

@@ -10,7 +10,8 @@ jobs:
     permissions:
       contents: write
     steps:
-        - name: create pull request
-          run: gh pr create --base v4.x --title "Bump v4.x branch on release publish" --fill
-          env:
-            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/checkout@v6
+      - name: create pull request
+        run: gh pr create --base v4.x --title "Bump v4.x branch on release publish" --fill
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}