add openqa databases to db-qa01 backup list

inventory/host_vars/db-qa01.qa.fedoraproject.org

@@ -15,6 +15,7 @@ databases:
 - postgres
 - buildmaster
 - execdb
+- openqa
 - resultsdb
 
 # This is a more strict list, to be made publicly available
@@ -26,6 +27,10 @@ dbs_to_backup:
 - execdb
 - execdb_stg
 - execdb_dev
+# these names are also stored as host vars 'openqa_dbname',
+# make sure to keep in sync
+- openqa
+- openqa-stg
 - resultsdb
 - resultsdb_stg
 - resultsdb_dev