Update settings.yml (#270)

Co-authored-by: Conall Ó Cofaigh <ocofaigh@ie.ibm.com>

Author: vburckhardt

.github/settings.yml

@@ -24,4 +24,4 @@ repository:
   # and update the description to the current repo description.
   description: "Implements a ICD Postgresql instance with tags, users, memory allocation, disk allocation, cpu allocation and context based restrictions"
 
-  topics: core-team, terraform, ibm-cloud, terraform-module, postgresql
+  topics: core-team, terraform, ibm-cloud, terraform-module, postgresql, supported, graduated