Configured CI to run on both x86_64 and arm64 architectures

Author: lukaskubanek

.github/workflows/swift.yml

@@ -1,6 +1,3 @@
-# This workflow will build a Swift project
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-swift
-
 name: Swift
 
 on:
@@ -11,12 +8,18 @@ on:
 
 jobs:
   build:
-    name: Build and Test on ${{ matrix.swift }}
-    runs-on: macos-latest
+    # Run build and tests for each Swift version and OS combination
+    name: Build and Test on ${{ matrix.swift }} / ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
-        swift: [5.10, 6.0]
+        os:
+          - macos-13     # x86_64 (Intel)
+          - macos-latest # arm64 (Apple Silicon)
+        swift:
+          - 5.10         # Xcode 15.3
+          - 6.0          # Xcode 16
 
     steps:
       - uses: actions/checkout@v4
@@ -25,8 +28,10 @@ jobs:
         run: |
           case "${{ matrix.swift }}" in
             5.10) sudo xcode-select -s /Applications/Xcode_15.3.app ;;
-            6.0)  sudo xcode-select -s /Applications/Xcode_16.0.app ;;
+            6.0) sudo xcode-select -s /Applications/Xcode_16.0.app ;;
           esac
+
+          # Print selected Xcode version for confirmation
           xcodebuild -version
 
       - name: Build