fix: changed dommy to dummy (#1081)

Co-authored-by: Cody's Dad <40604284+AceTheCreator@users.noreply.github.com>

Author: Aryan4884

playground/specs/dummy.ts

@@ -58,7 +58,7 @@ servers:
           - '5672'
     security:
       - user-password: []
-  dommy-kafka:
+  dummy-kafka:
     url: http://localhost:{port}
     protocol: kafka
     description: dummy Kafka broker