Use Xcode 16.2 stack in GitHub Actions (#202)

Author: shimastripe

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: macos-14
     steps:
       - uses: actions/checkout@v4
-      - run: sudo xcode-select -switch /Applications/Xcode_16.app
+      - run: sudo xcode-select -switch /Applications/Xcode_16.2.app
       - run: swift test
   lint:
     runs-on: ubuntu-latest