Jira RDS Major Version Upgrade

TO be tagged v3.2.6

base/jira/rds_jira/main.tf

@@ -56,10 +56,10 @@ module "jira_db" {
   subnet_ids = var.subnets
 
   # DB parameter group
-  family = "postgres11"
+  family = "postgres12"
 
   # DB option group
-  major_engine_version = "11"
+  major_engine_version = "12"
 
   # Snapshot name upon DB deletion
   final_snapshot_identifier = "${var.identifier}-final-snapshot"