Update changelog

Author: tlueder

pkgs/http/CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 1.0.1
 
 * Add better error messages for `SocketException`s when using `IOClient`. 
+* Add `onSendProgress` callback
 
 ## 1.0.0
 
@@ -20,7 +21,6 @@
 * In `MockHttpClient` use the callback returned `Response.request` instead of
   the argument value to give more control to the callback. This may be breaking
   for callbacks which return incomplete Responses and relied on the default.
-* Add `onSendProgress` callback
 
 ## 0.13.4