Update documentation.yml

Use `git read-tree` to reset the tree to the current website content.

Author: compnerd

.github/workflows/documentation.yml

@@ -59,7 +59,9 @@ jobs:
         git worktree add --no-checkout --detach site
         git -C site remote rm origin
         git -C site remote add origin "https://x-access-token:${{ secrets.PAT }}@github.com/${{ github.repository }}"
-        git -C site checkout --orphan website
+        git -C site checkout --orphan gh-pages
+        git -C site reset --hard
+        git -C site read-tree --reset -u website
 
     - name: Generate Documentation
       run: |