Update Changelog.md

Changelog.md

@@ -2,10 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
-## [2.7] - 2024-07-18
-- Nothing new. Jenkins pipeline was broken.
+## [2.8] - 2024-08-01
+- Reworked authentication components
+- Add a task for sending email notifications in case validation workflows have failed
+- Fix Netbox device type for tier 2 sites
+- Add a Kentik client
+- Add tasks for updating partners
+- Fix a bug in IP trunk validation workflow
+- Update router termination workflow
+- Update `orchestrator-core` from 2.2.1 to 2.6.1
 
-## [2.6] - 2024-07-17
+## [2.7] - 2024-07-18
 - Added verification workflows.
 
 ## [2.5] - 2024-07-16