Support the latest pkg:web_socket_channel (#30)

Also allow latest pkg:http as dev_dependency
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c7bf85..0590a59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.2.4+1
+
+* Support the latest `package:web_socket_channel`.
+
 ## 0.2.4
 
 * Support the latest shelf release (`1.x.x`).
diff --git a/pubspec.yaml b/pubspec.yaml
index e5bf0c4..8f52f76 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,9 +1,9 @@
 name: shelf_web_socket
-version: 0.2.4
+version: 0.2.4+1
 
 description: >-
   A shelf handler that wires up a listener for every connection.
-homepage: https://github.com/dart-lang/shelf_web_socket
+repository: https://github.com/dart-lang/shelf_web_socket
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
@@ -11,9 +11,9 @@
 dependencies:
   shelf: '>=0.7.0 <2.0.0'
   stream_channel: ">1.4.0 <3.0.0"
-  web_socket_channel: ^1.0.0
+  web_socket_channel: '>=1.0.0 <3.0.0'
 
 dev_dependencies:
-  http: ">=0.10.0 <0.13.0"
+  http: ">=0.10.0 <0.14.0"
   pedantic: ^1.4.0
   test: ^1.6.0