test(ios): note about enabling new arch in ios e2e

Author: mikehardy

tests/ios/Podfile

@@ -25,6 +25,9 @@ $RNFirebaseAnalyticsEnableAdSupport = true
 # react-native 0.73 is currently iOS 13.4 as a minimum
 min_ios_version_supported = 13.4
 
+# Uncomment this to test new architecture
+#ENV['RCT_NEW_ARCH_ENABLED'] = '1'
+
 # Resolve react_native_pods.rb with node to allow for hoisting
 require Pod::Executable.execute_command('node', ['-p',
   'require.resolve(