Update swift.yml

.github/workflows/swift.yml

@@ -9,19 +9,30 @@ on:
   pull_request:
     branches: [ "master" ]
 
+concurrency: 
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
+    strategy:
+      matrix:
+        platform:
+          - iOS
+        xcode:
+          - ^15
 
     runs-on: macos-latest
 
     steps:
-    - uses: swift-actions/setup-swift@v1
-      with:
-        swift-version: "5.8.0"
+    - name: Checkout
+      uses: actions/checkout@v3
     - name: Get swift version
-      run: swift --version # Swift 5.8.0
-    - uses: actions/checkout@v4
-    - name: Build
-      run: swift build -v
-    - name: Run tests
-      run: swift test -v
+      uses: swift-actions/setup-swift@v1
+    - name: Print Swift version
+      run: swift --version
+    - name: Build & Test
+      uses: mxcl/xcodebuild@v1
+      with:
+        xcode: ${{ matrix.xcode }}
+        platform: ${{ matrix.platform }}