[CI] Fix documentation job (#7046)

Author: ThomasRaoux

.github/workflows/documentation.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Checkout branch
         uses: actions/checkout@v4
         with:
-          token: ${{ secrets.CI_PAT }}
+          token: ${{ github.token }}
           fetch-depth: 0
 
       - name: Clear docs