fix(ci): update GitHub Actions and Xcode versions

- Update actions/cache from v3 to v4 for better performance
- Fix Xcode version consistency to 16.3 across workflows
- Improve caching reliability and build performance

Author: grdsdev

.github/workflows/ci.yml

@@ -72,7 +72,7 @@ jobs:
       - name: List available devices
         run: xcrun simctl list devices available
       - name: Cache derived data
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.derivedData
@@ -134,15 +134,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache derived data
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.derivedData
           key: |
             deriveddata-examples-${{ hashFiles('**/Sources/**/*.swift', '**/Tests/**/*.swift', '**/Examples/**/*.swift') }}
           restore-keys: |
             deriveddata-examples-
-      - name: Select Xcode 16
-        run: sudo xcode-select -s /Applications/Xcode_16.0.app
+      - name: Select Xcode 16.3
+        run: sudo xcode-select -s /Applications/Xcode_16.3.app
       - name: Set IgnoreFileSystemDeviceInodeChanges flag
         run: defaults write com.apple.dt.XCBuild IgnoreFileSystemDeviceInodeChanges -bool YES
       - name: Update mtime for incremental builds