Upgrade Aurora PostgreSQL to 17.10 (#791)

Author: docwho2

postgres.yaml

@@ -68,7 +68,7 @@ Resources:
     Properties:
       Engine: aurora-postgresql
       Port: 5432
-      EngineVersion: '17.9'
+      EngineVersion: '17.10'
       DatabaseName: !Ref DBNAMEPARAM
       ManageMasterUserPassword: true
       MasterUsername: !Ref DBUSERPARAM