Fix script following checkout v6 bump (#11497)

* Fix script following checkout v6 bump

* Fix script following checkout v6 bump

Author: theletterf

.github/workflows/update-docs.yml

@@ -19,6 +19,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           fetch-depth: 0  # Fetch all history including tags
+          persist-credentials: false  # Avoid credential conflicts with create-pull-request
 
       - name: Add upstream remote and fetch tags
         run: |