Update swift.yml

Signed-off-by: Joe Maghzal <[email protected]>

Author: SwiftyJoeyy

.github/workflows/swift.yml

@@ -15,6 +15,9 @@ jobs:
     runs-on: macos-latest
 
     steps:
+    - uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: latest-stable
     - uses: swift-actions/setup-swift@v2
     - uses: actions/checkout@v4
     - name: Build