Update pom.xml

Author: jiangnan

java/pom.xml

@@ -12,7 +12,7 @@
     <url>https://github.com/iamazy/elasticsearch-sql</url>
 
     <properties>
-        <elasticsearch.version>7.4.0</elasticsearch.version>
+        <elasticsearch.version>7.4.1</elasticsearch.version>
         <java.version>13</java.version>
         <antlr4.version>4.7.2</antlr4.version>
         <jackson.version>2.10.0</jackson.version>