Update swift.yml

Author: alanjcharles

.github/workflows/swift.yml

@@ -17,11 +17,11 @@ jobs:
 
   build_and_test_examples:
     needs: cancel_previous
-    runs-on: macos-11
+    runs-on: macos-latest
     steps:
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '13.0'
+        xcode-version: latest-stable
     - uses: actions/checkout@v2
     - uses: actions/cache@v2
       with:
@@ -33,4 +33,4 @@ jobs:
       run: |
           cd Example/BasicExample
           xcodebuild -workspace "BasicExample.xcworkspace" -scheme "BasicExample" -sdk iphonesimulator
-          
+