Update macos version for tests

Author: theospears

.github/workflows/fastlane-tests.yml

@@ -9,7 +9,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: macos-13
+    runs-on: macos-14
 
     steps:
     - uses: maxim-lobanov/setup-xcode@v1