ci: update swift.yml

Author: janndriessen

.github/workflows/swift.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: macos-latest
 
     steps:
-    - uses: swift-actions/setup-swift@65540b95f51493d65f5e59e97dcef9629ddf11bf
+    - uses: swift-actions/setup-swift@v2
       with:
         swift-version: "5.10.0"
     - name: Get swift version