also build visionOS with Xcode 16.4

Author: tido64

.github/workflows/build.yml

@@ -455,6 +455,7 @@ jobs:
           platform: visionos
           project-root: example
           cache-key-prefix: example
+          xcode-developer-dir: /Applications/Xcode_16.4.app/Contents/Developer
       - name: Set up react-native@nightly
         if: ${{ github.event_name == 'schedule' }}
         uses: ./.github/actions/setup-react-native
@@ -508,6 +509,7 @@ jobs:
           platform: visionos
           project-root: example
           cache-key-prefix: template-${{ matrix.template }}
+          xcode-developer-dir: /Applications/Xcode_16.4.app/Contents/Developer
       - name: Initialize test app
         uses: ./.github/actions/init-test-app
         with: