👷 Bump to Swift 6

Author: oschrenk

.github/workflows/swift.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest]
-        swift: ["5.10"]
+        swift: ["6.0.2"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: swift-actions/setup-swift@v2