Update CHANGELOG.md for 13.0.10+ce.0

[ci skip]

CHANGELOG.md

@@ -67,6 +67,13 @@ omnibus-gitlab repository.
 - Update Mattermost to 5.23.1.
+## 13.0.10 (2020-07-09)
+
+### Performance (1 change, 1 of them is from the community)
+
+- Run vacuumdb with 2 commands simultaneously. !4373 (Ben Bodenmiller @bbodenmiller)
+
+
 ## 13.0.9 (2020-07-06)
 - No changes.

changelogs/unreleased/4373-vacuumdb-j-option.yml

----
-title: Run vacuumdb with 2 commands simultaneously
-merge_request: 4373
-author: Ben Bodenmiller @bbodenmiller
-type: performance