[Docs] Add changelog entry for 3.9.3: cloud_dns.

Signed-off-by: Giacomo Marciani <[email protected]>

Author: gmarciani

CHANGELOG.md

@@ -9,6 +9,10 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 **ENHANCEMENTS**
 - Add support for FSx Lustre as a shared storage type in us-iso-east-1.
 
+**BUG FIXES**
+- Remove `cloud_dns` from the `SlurmctldParameters` in the Slurm config to avoid Slurm fanout issues.  
+  This is also not required since we set the IP addresses on instance launch.
+
 3.9.2
 ------
 
@@ -17,7 +21,6 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 
 **BUG FIXES**
 - Fix issue with `SharedStorageType: Efs` not bootstrapping on ARM instances.
-- Remove `cloud_dns` from the `SlurmctldParameters` in the Slurm config to avoid Slurm fanout issues.  This is also not required since we set the IP addresses on instance launch
 
 3.9.1
 ------