Move CHANGELOG entry to 8.7.1

CHANGELOG

@@ -4,6 +4,7 @@ v 8.8.0 (unreleased)
 
 v 8.7.1 (unreleased)
   - Use the `can?` helper instead of `current_user.can?`
+  - Fix .gitlab-ci.yml parsing issue when hidde job is a template without script definition
 
 v 8.7.0
   - Gitlab::GitAccess and Gitlab::GitAccessWiki are now instrumented
@@ -121,7 +122,6 @@ v 8.7.0
   - Fix GitHub project's link in the import page when provider has a custom URL
   - Add RAW build trace output and button on build page
   - Add incremental build trace update into CI API
-  - Fix .gitlab-ci.yml parsing issue when hidden jobs are templates without script definition
 
 v 8.6.7
   - Fix persistent XSS vulnerability in `commit_person_link` helper