Remove "wip" label for 3.0 release (dart-lang/web_socket_channel#347)

pkgs/web_socket_channel/CHANGELOG.md

diff --git a/pkgs/web_socket_channel/CHANGELOG.md b/pkgs/web_socket_channel/CHANGELOG.md
index 5026c83..c544863 100644
--- a/pkgs/web_socket_channel/CHANGELOG.md
+++ b/pkgs/web_socket_channel/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 3.0.0-wip
+## 3.0.0
 
 - Provide an adapter around `package:web_socket` `WebSocket`s and make it the
   default implementation for `WebSocketChannel.connect`.

pkgs/web_socket_channel/pubspec.yaml

diff --git a/pkgs/web_socket_channel/pubspec.yaml b/pkgs/web_socket_channel/pubspec.yaml
index 6b8ae39..751c725 100644
--- a/pkgs/web_socket_channel/pubspec.yaml
+++ b/pkgs/web_socket_channel/pubspec.yaml
@@ -1,5 +1,5 @@
 name: web_socket_channel
-version: 3.0.0-wip
+version: 3.0.0
 description: >-
   StreamChannel wrappers for WebSockets. Provides a cross-platform
   WebSocketChannel API, a cross-platform implementation of that API that