Disable bitcode for Xcode 14. (juicycleff#751)

Author: timbotimbo

example/unity/DemoApp/Assets/FlutterUnityIntegration/Editor/XCodePostBuild.cs

@@ -76,7 +76,7 @@ private static void UpdateBuildSettings(string pathToBuildProject)
         pbx.SetBuildProperty(targetGuid, "SKIP_INSTALL", "YES");
 
         // Set some linker flags
-        pbx.SetBuildProperty(projGuid, "ENABLE_BITCODE", "YES");
+        pbx.SetBuildProperty(projGuid, "ENABLE_BITCODE", "NO");
 
         // Persist changes
         pbx.WriteToFile(pbxPath);