version and changelog bump for startup/shutdown crash fix

Author: yaauie

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 8.1.1
+ - Fix race-condition where shutting down a Kafka Input before it has finished starting could cause Logstash to crash
+
 ## 8.1.0
   - Internal: Update build to gradle
   - Upgrade Kafka client to version 1.1.0

logstash-input-kafka.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-input-kafka'
-  s.version         = '8.1.0'
+  s.version         = '8.1.1'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Reads events from a Kafka topic"
   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"