[LDC] CI: Bump Xcode for macOS arm64

Author: kinke

.github/workflows/ldc-release.yml

@@ -76,9 +76,9 @@ jobs:
       MACOSX_DEPLOYMENT_TARGET: ${{ matrix.arch == 'arm64' && '11.0' || '10.12' }}
     steps:
       - uses: actions/checkout@v4
-      - name: 'macOS 14: Switch to Xcode v15.4'
+      - name: 'macOS 14: Switch to Xcode 16 Beta 3'
         if: matrix.os == 'macos-14'
-        run: sudo xcode-select -switch /Applications/Xcode_15.4.app
+        run: sudo xcode-select -switch /Applications/Xcode_16_beta_3.app
       - name: Install prerequisites
         uses: ./.github/actions/1-setup
         with: