Update ci.yml

Author: lukeredpath

.github/workflows/ci.yml

@@ -17,6 +17,6 @@ jobs:
       with:
         workspace: ResponsiveTextField.xcworkspace
         scheme: ResponsiveTextField
-        destination: "platform=iOS Simulator,OS=14.4,name=iPhone 12"
+        destination: "platform=iOS Simulator,OS=15.2,name=iPhone 12"
         action: test
         enable-code-coverage: true