fix(ci): use Windows Swift setup action

.github/workflows/ci.yml

@@ -53,26 +53,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Swift
-        shell: pwsh
-        run: |
-          $swift = Get-Command swift -ErrorAction SilentlyContinue
-          if (-not $swift) {
-            winget install --id Swift.Toolchain --exact --source winget --accept-source-agreements --accept-package-agreements --disable-interactivity
-            $roots = @(
-              "$env:ProgramFiles\Swift",
-              "${env:ProgramFiles(x86)}\Swift"
-            ) | Where-Object { $_ -and (Test-Path $_) }
-            $swift = $roots |
-              ForEach-Object { Get-ChildItem -Path $_ -Recurse -Filter swift.exe -ErrorAction SilentlyContinue } |
-              Select-Object -First 1
-            if (-not $swift) {
-              throw "Swift executable not found after WinGet installation"
-            }
-            $bin = $swift.Directory.FullName
-            Add-Content -Path $env:GITHUB_PATH -Value $bin
-            $env:Path = "$bin;$env:Path"
-          }
-          swift --version
+        uses: compnerd/gha-setup-swift@main
+        with:
+          swift-version: swift-6.3.2-release
+          swift-build: 6.3.2-RELEASE
       - name: Build and test
         shell: pwsh
         run: ./scripts/check-windows.ps1