Include gradle plugin version in network detail requirements

Author: 43jay

docs/platforms/android/session-replay/configuration.mdx

@@ -45,6 +45,7 @@ Body and header content will be PII-sanitized server-side, based on object keys
 
 ### Requirements
 - SDK version >= [8.29.0](https://github.com/getsentry/sentry-java/releases/tag/8.29.0)
+- Android Gradle Plugin version >= [6.0.0-beta.3](https://github.com/getsentry/sentry-android-gradle-plugin/releases/tag/6.0.0-beta.3)
 - OkHttp
 
 <Alert>