bump version to 9.1.0

Author: jsvd

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 9.1.0
+  - Set number_of_shards to 1 and document_type to '_doc' for es 7.x clusters #741 #747
+  - Fix usage of upsert and script when update action is interpolated #239
+  - Add metrics to track bulk level and document level responses #585
+
 ## 9.0.3
   - Ignore master-only nodes when using sniffing
 

logstash-output-elasticsearch.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-output-elasticsearch'
-  s.version         = '9.0.3'
+  s.version         = '9.1.0'
   s.licenses        = ['apache-2.0']
   s.summary         = "Stores logs in Elasticsearch"
   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"