Prepare for 2.5.0 (KnpLabs#607)

* Prepare for 2.5.0

* Added repo:events

Author: Nyholm

CHANGELOG.md

@@ -2,16 +2,20 @@
 
 The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release. 
 
-## 2.5.0 (unreleased)
+## 2.6.0 (unreleased)
+
+## 2.5.0
 
 ### Added
 
 - Stable support for graphql api (V4) (#593)
 - Stable support for apps (previously integrations) (#592)
+- `Repo::events()`
 
 ### Fixed
 
 - Incorrect link in repository search docs (#594)
+- Added the required parameter `$message` on `Review::dismiss`.
 
 ## 2.4.0