try using platform swift

Author: CamJN

.github/workflows/swift.yml

@@ -34,10 +34,6 @@ jobs:
     - uses: maxim-lobanov/setup-xcode@v1
       with:
         xcode-version: latest-stable
-    - uses: swift-actions/setup-swift@7d6348b84c07b33515ee21ebc40bbf974cc19d40
-      with:
-        swift-version: 6
-        # https://www.swift.org/download/
     - name: Build
       run: swift build -v
       working-directory: getargv-swift