fix(apple): show New Architecture experimental warning only for older React Native versions (#2415)

Author: szymonrybczak

ios/pod_helpers.rb

@@ -111,11 +111,13 @@ def use_hermes?(options)
 def use_new_architecture!(options, react_native_version)
   return unless new_architecture_enabled?(options, react_native_version)
 
-  Pod::UI.warn(
-    'As of writing, New Architecture (Fabric) is still experimental and ' \
-    'subject to change. For more information, please see ' \
-    'https://reactnative.dev/docs/next/new-architecture-intro.'
-  )
+  if react_native_version < v(0, 76, 0)
+    Pod::UI.warn(
+      'As of writing, New Architecture (Fabric) is still experimental and ' \
+      'subject to change. For more information, please see ' \
+      'https://reactnative.dev/docs/next/new-architecture-intro.'
+    )
+  end
 
   options[:fabric_enabled] = true
   options[:new_arch_enabled] = true