Update includes/dart-integrations/firebase-remote-config.mdx

Author: buenaflor

includes/dart-integrations/firebase-remote-config.mdx

@@ -15,7 +15,7 @@ The `sentry_firebase_remote_config` integration provides [Firebase Remote Config
 
 ## Prerequisites
 
-1. [Sentry SDK](/platforms/dart/#configure) version `9.0.0`.
+1. [Sentry SDK](/platforms/dart/#configure) version `9.0.0` or higher.
 2. Firebase Remote Config is set up.
 
 ## Install