Update swift.yml

.github/workflows/swift.yml

@@ -6,19 +6,21 @@ name: Swift
 on:
   push:
     branches: [ "main" ]
-#  pull_request:
-#    branches: [ "main" ]
 
 jobs:
   build:
-
     runs-on: macos-latest
 
     steps:
     - uses: actions/checkout@v3
-    - name: Build
+
+    - name: Install Swift 5.9.0
       run: |
-        sudo xcode-select -s /Applications/Xcode_15.0.app
-        swift build -v
-#    - name: Run tests
-#      run: swift test -v
+        curl -O https://download.swift.org/swift-5.10-release/xcode/swift-5.10-RELEASE/swift-5.10-RELEASE-osx.pkg
+        sudo installer -pkg swift-5.10-RELEASE-osx.pkg -target /
+
+    - name: Build
+      run: swift build -v
+
+    - name: Run tests
+      run: swift test -v