Version bump

Fixes #159

Author: jordansissel

logstash-output-kafka.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-output-kafka'
-  s.version         = '6.2.2'
+  s.version         = '6.2.3'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = 'Output events to a Kafka topic. This uses the Kafka Producer API to write messages to a topic on the broker'
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"