Add CVE-2019-1000011 to the changelog

Author: dunglas

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 2.2.10
 
-* /!\ Security: a vulnerability impacting the GraphQL subsystem was allowing users authorized to run mutations for a specific resource type, to execute it on any resource, of any type
+* /!\ Security: a vulnerability impacting the GraphQL subsystem was allowing users authorized to run mutations for a specific resource type, to execute it on any resource, of any type (CVE-2019-1000011)
 
 ## 2.2.9