use different action to get Swift 6 toolchain

.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:
@@ -12,22 +9,20 @@ on:
 jobs:
   build:
     runs-on: macos-latest
+
     steps:
       - uses: actions/checkout@v4
-
-      - name: Install Swift 6 Toolchain (Nightly)
-        run: |
-          TOOLCHAIN_URL=$(curl -s https://download.swift.org/development/xcode/swift-DEVELOPMENT-SNAPSHOT-2024-03-05-a/swift-DEVELOPMENT-SNAPSHOT-2024-03-05-a-osx.pkg)
-          curl -O $TOOLCHAIN_URL
-          sudo installer -pkg swift-*-osx.pkg -target /
-          export TOOLCHAIN=`/usr/libexec/PlistBuddy -c "Print CFBundleIdentifier" /Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-*/Info.plist`
-          sudo xcode-select -s /Library/Developer/Toolchains/$TOOLCHAIN/usr/bin
+      
+      - name: Setup Swift 6.0
+        uses: swift-actions/setup-swift@v2.2.0
+        with:
+          swift-version: "6.0"
 
       - name: Verify Swift version
         run: swift --version
-
+      
       - name: Build
         run: swift build -v
-
-      - name: Test
+      
+      - name: Run tests
         run: swift test -v