prepare 3.1.0 release (#152)

Creating release for 3.1.0 from v3 branch.

Author: tanderson-ld

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 All notable changes to the LaunchDarkly Flutter client-side SDK will be documented in this file. This project adheres to [Semantic Versioning](https://semver.org).
 
+## [3.1.0] - 2024-04-09
+### Changed:
+- Android: Always inline contexts for feature events
+- Android: Redact anonymous attributes within feature events
+
+### Fixed:
+- Android: Improves LDClient.identify(...) behavior when offline
+- Android: Improves thread usage in streaming connections.
+
 ## [3.0.1] - 2023-09-21
 ### Fixed:
 - Fixed a rare bug in key generation in some contexts generated by the Auto Environment Attributes feature.

lib/launchdarkly_flutter_client_sdk.dart

@@ -48,7 +48,7 @@ typedef void LDFlagUpdatedCallback(String flagKey);
 /// record custom events, and provides various status configuration and monitoring utilities. See the individual class
 /// and method documentation for more details.
 class LDClient {
-  static const String _sdkVersion = "3.0.1";
+  static const String _sdkVersion = "3.1.0";
   static const MethodChannel _channel = const MethodChannel('launchdarkly_flutter_client_sdk');
 
   static Completer<void> _startCompleter = Completer();

pubspec.yaml

@@ -1,6 +1,6 @@
 name: launchdarkly_flutter_client_sdk
 description: Official Flutter client-side SDK for LaunchDarkly. Supports Android and iOS.
-version: 3.0.1
+version: 3.1.0
 homepage: https://github.com/launchdarkly/flutter-client-sdk
 
 environment:

test/launchdarkly_flutter_client_sdk_test.dart

@@ -5,7 +5,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:launchdarkly_flutter_client_sdk/launchdarkly_flutter_client_sdk.dart';
 
 const MethodChannel channel = MethodChannel('launchdarkly_flutter_client_sdk');
-const String _sdkVersion = '3.0.1';
+const String _sdkVersion = '3.1.0';
 
 void main() {
   group('LDConnectionInformation', testLDConnectionInformation);