Add changelog for #97 (#98)

Switch to a feature version bump since this is new API surface area.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec82a91..8e1e863 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 1.2.0-dev
+
+* Add `protocols` argument to `WebSocketChannel.connect`. See the docs for
+  `WebSocket.connet`.
+
 ## 1.1.0
 
 * Add `WebSocketChannel.connect` factory constructor supporting platform
diff --git a/pubspec.yaml b/pubspec.yaml
index 8b79da0..1557fe8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: web_socket_channel
-version: 1.1.1-dev
+version: 1.2.0-dev
 
 description: >-
   StreamChannel wrappers for WebSockets. Provides a cross-platform