chore(actions): update swift-actions/setup-swift action to v2

Author: renovate[bot]

.github/workflows/pull-request.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - uses: swift-actions/setup-swift@v1
+    - uses: swift-actions/setup-swift@v2
       with:
         swift-version: "5.6"