ci: explicitly select Xcode 16.2 for builds

Add explicit Xcode version selection with fallback:
1. Try Xcode 16.2 first
2. Fallback to Xcode 16.x if 16.2 not available
3. Use default if neither available

This ensures consistent builds with Xcode 16.x series.

Author: CSL

.github/workflows/release.yml

@@ -13,12 +13,16 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Select Xcode 16.2
+        run: |
+          echo "Available Xcode versions:"
+          ls /Applications/ | grep Xcode || echo "No Xcode installations found"
+          sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer || sudo xcode-select -s /Applications/Xcode_16.app/Contents/Developer || echo "Using default Xcode"
+      
       - name: Show Xcode and Swift versions
         run: |
           xcodebuild -version
           swift --version
-          echo "Available Xcode versions:"
-          ls /Applications/ | grep Xcode || echo "No Xcode installations found"
       
       - name: Build app
         run: |