update CHANGELOG.md for #2753

Author: bhcleek

CHANGELOG.md

@@ -57,6 +57,8 @@ BUG FIXES:
 * Preserve errors from formatting when both formatting and metalinting happen
   on save.
   [[GH-2733]](https://github.com/fatih/vim-go/pull/2733)
+* Preserve ordering of gopls messages in the log.
+  [[GH-2753]](https://github.com/fatih/vim-go/pull/2753)
 
 ## v1.22 - (January 30, 2020)