fix: add -> append for list

Author: SimonAdrian

technology_specific_extractors/feign_client/fgn_entry.py

@@ -44,10 +44,10 @@ def set_information_flows(dfd) -> dict:
  if prop[0] == "feign_ribbon_disabled":
  load_balancer = "Spring Cloud Load Balancer" # Load balancer if Ribbon is explicitely disabled (also, recently recommended)
  elif prop[0] == "circuit_breaker":
- stereotype_instances.add("circuit_breaker_link")
+ stereotype_instances.append("circuit_breaker_link")
  tagged_values.add(("Circuit Breaker", prop[1]))
  elif prop[0] == "feign_hystrix":
- stereotype_instances.add("circuit_breaker_link")
+ stereotype_instances.append("circuit_breaker_link")
  tagged_values.add(("Circuit Breaker", "Hystrix"))
 
  tagged_values.add(("Load Balancer", load_balancer))