Add changelog item.

CHANGELOG.md

@@ -7,6 +7,7 @@ omnibus-gitlab repository.
 - Remove Bitbucket from templates as it does not require special settings anymore
 - Fix the issue that prevents registry from starting when user and group
 are not the same (O Schwede) 62b5cc
+- Update curl to 7.53.0
 8.17.0