Update CHANGELOG.md (#247)

Author: vstpme

CHANGELOG.md

@@ -1,11 +1,21 @@
 # Change Log
 
-## v1.0.5 (2022-07-12)
-
+## v1.0.7 (2022-07-18)
+- Backend & frontend bug fixes
+- Deployment improvements
+- Reshape webhook payload for outgoing webhooks
+- Add escalation chain usage info on escalation chains page
+- Improve alert group list load speeds and simplify caching system
+
+## v1.0.6 (2022-07-12)
 - Manual Incidents enabled for teams
 - Fix phone notifications for OSS
 - Public API improvements
 
+## v1.0.5 (2022-07-06)
+- Bump Django to 3.2.14
+- Fix PagerDuty iCal parsing
+
 ## 1.0.4 (2022-06-28)
 - Allow Telegram DMs without channel connection.