feat: Add support for per-context summary events.

Author: kinyoklion

packages/flutter_client_sdk/pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
     sdk: flutter
   package_info_plus: ">=4.2.0 <10.0.0"
   device_info_plus: ">=9.1.1 <13.0.0"
-  launchdarkly_common_client: 1.8.0
+  launchdarkly_common_client: 1.9.0
   shared_preferences: ^2.2.2
   connectivity_plus: ">=5.0.2 <8.0.0"
   web: ^1.1.1