chore(deps): bump OpenSearch to 3.6.0 (#19)

Update project version to 3.6.0-SNAPSHOT and OpenSearch dependency
from 3.5.0 to 3.6.0.

Author: marevol

pom.xml

@@ -5,7 +5,7 @@
 	<artifactId>fesen-httpclient</artifactId>
 	<packaging>jar</packaging>
 	<name>fesen-httpclient</name>
-	<version>3.5.1-SNAPSHOT</version>
+	<version>3.6.0-SNAPSHOT</version>
 	<description>HTTP client for OpenSearch</description>
 	<url>https://github.com/codelibs/fesen-httpclient</url>
 	<inceptionYear>2012</inceptionYear>
@@ -37,7 +37,7 @@
   </scm>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<opensearch.version>3.5.0</opensearch.version>
+		<opensearch.version>3.6.0</opensearch.version>
 		<log4j.version>2.25.3</log4j.version>
 		<junit.jupiter.version>5.12.2</junit.jupiter.version>
 		<testcontainers.version>1.21.4</testcontainers.version>