Use comma delim server list in
This change achieve consistency with our
kafka source and other Kafka clients
kafka sink field
bootstrap_servers has been changed from an array to a
string, expecting a comma separated list of bootstrap servers similar to the
[sinks.my_sink_id] type = "kafka" inputs = ["my-source-id"] - bootstrap_servers = ["10.14.22.123:9092", "10.14.23.332:9092"] + bootstrap_servers = "10.14.22.123:9092,10.14.23.332:9092"