ci: attempt to fix docs

Author: jcs090218

.github/workflows/docs.yml

@@ -39,6 +39,7 @@ jobs:
         cd './build'
         git config user.name github-actions
         git config user.email [email protected]
+        git config receive.denynonfastforwards false
         git add .
         git commit -m "Update pages"
         git push