Bump to v4.19.1 to pick up doc fix needed for docgen (#200)

Author: karenzone

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 4.19.1
+  - Plugin version bump to pick up docs fix in  [#199](https://github.com/logstash-plugins/logstash-input-elasticsearch/pull/199) required to clear build error in docgen. [#200](https://github.com/logstash-plugins/logstash-input-elasticsearch/pull/200)
+
 ## 4.19.0
   - Added `search_api` option to support `search_after` and `scroll` [#198](https://github.com/logstash-plugins/logstash-input-elasticsearch/pull/198)
     - The default value `auto` uses `search_after` for Elasticsearch >= 8, otherwise, fall back to `scroll` 

logstash-input-elasticsearch.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-input-elasticsearch'
-  s.version         = '4.19.0'
+  s.version         = '4.19.1'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Reads query results from an Elasticsearch cluster"
   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"