Update docs.yml

Author: lkzhao

.github/workflows/docs.yml

@@ -23,7 +23,7 @@ jobs:
     - name: List Xcode installations
       run: sudo ls -1 /Applications | grep "Xcode"
     - name: Select Xcode
-      run: sudo xcode-select -s /Applications/Xcode_16.app/Contents/Developer
+      run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
     - uses: actions/checkout@v3
     - name: Set up Pages
       uses: actions/configure-pages@v4