fix: add default global value for awsMandatoryTags

Author: artaasadi

compliance/parameters-default-values/aws_rds.yaml

@@ -10,6 +10,9 @@ parameters:
       - "ControlC"
       - "ControlD"
 
+  - key: awsMandatoryTags
+    value: '{"name", "env"}'
+
   # Another key with no controls (global)
   - key: awsIamUserKeyRotateDays
     value: 90