Use comma delim server list in kafka sink
This change achieve consistency with our kafka source and other Kafka clients
The 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
kafka source.
Upgrade Guide
[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"