Update CHANGELOG-EE for 8.6.8, 8.5.12, et al.

[ci skip]

CHANGELOG-EE

@@ -7,6 +7,9 @@ v 8.8.0 (unreleased)
 v 8.7.2
   - Fix MR notifications for slack and hipchat when approvals are fullfiled. !325
 
+v 8.7.1
+  - No EE-specific changes
+
 v 8.7.0
   - Update GitLab Pages to 0.2.1: support user-defined 404 pages
   - Refactor group sync to pull access level logic to its own class. !306
@@ -14,6 +17,9 @@ v 8.7.0
   - Add ability to sync to remote mirrors. !249
   - GitLab Geo: Many replication improvements and fixes !354
 
+v 8.6.8
+  - No EE-specific changes
+
 v 8.6.7
   - No EE-specific changes
 
@@ -70,6 +76,9 @@ v 8.6.0
   - Allow SSL verification to be configurable when importing GitHub projects
   - Disable git-hooks for git annex commits
 
+v 8.5.12
+  - No EE-specific changes
+
 v 8.5.11
   - Fix vulnerability that made it possible to enumerate private projects belonging to group
 
@@ -122,6 +131,9 @@ v 8.5.0
   - Fix of Elastic indexer. Stabilze indexer when serialized data is corrupted
   - [Elastic] Don't index unnecessary data into elastic
 
+v 8.4.10
+  - No EE-specific changes
+
 v 8.4.9
   - Fix vulnerability that made it possible to enumerate private projects belonging to group
 
@@ -169,6 +181,9 @@ v 8.4.0
   - Add option to trigger builds when branches or tags are updated from a mirrored upstream repository
   - Ability to use Elasticsearch as a search engine
 
+v 8.3.9
+  - No EE-specific changes
+
 v 8.3.8
   - Fix vulnerability that made it possible to enumerate private projects belonging to group
 
@@ -203,6 +218,12 @@ v 8.3.0
   - Automatically import Kerberos identities from Active Directory when Kerberos is enabled (Alex Lossent)
   - Canonicalization of Kerberos identities to always include realm (Alex Lossent)
 
+v 8.2.5
+  - No EE-specific changes
+
+v 8.2.4
+  - No EE-specific changes
+
 v 8.2.3
   - No EE-specific changes