v15.0.0

updating version

v1.5.0

fix app label and service name for metrics

v1.4.0

setting default value when service_name is empty

v1.3.0

send msg to stop channel when max time is reached in exponential back…

v1.2.0

addedd trace_operations_error metric (#13)

addedd trace_operations_error metric

v1.1.0

github action for notifying gchat