update es to 6.2.3

Author: medcl

README.md

@@ -11,7 +11,7 @@ Versions
 IK version | ES version
 -----------|-----------
 master | 6.x -> master
-6.2.2| 6.2.2
+6.2.3| 6.2.3
 6.1.3| 6.1.3
 5.6.8| 5.6.8
 5.5.3| 5.5.3
@@ -40,7 +40,7 @@ Install
 
 * optional 2 - use elasticsearch-plugin to install ( version > v5.5.1 ):
 
-    `./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.2.2/elasticsearch-analysis-ik-6.2.2.zip`
+    `./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.2.3/elasticsearch-analysis-ik-6.2.3.zip`
 
 2.restart elasticsearch
 

pom.xml

@@ -12,7 +12,7 @@
     <inceptionYear>2011</inceptionYear>
 
     <properties>
-        <elasticsearch.version>6.2.2</elasticsearch.version>
+        <elasticsearch.version>6.2.3</elasticsearch.version>
         <maven.compiler.target>1.8</maven.compiler.target>
         <elasticsearch.assembly.descriptor>${project.basedir}/src/main/assemblies/plugin.xml</elasticsearch.assembly.descriptor>
         <elasticsearch.plugin.name>analysis-ik</elasticsearch.plugin.name>