HSEARCH-4850 Run tests against OpenSearch 2.7 by default

Jenkinsfile

@@ -264,7 +264,8 @@ stage('Configure') {
 					new OpenSearchLocalBuildEnvironment(version: '2.3.0', condition: TestCondition.ON_DEMAND),
 					new OpenSearchLocalBuildEnvironment(version: '2.4.1', condition: TestCondition.ON_DEMAND),
 					new OpenSearchLocalBuildEnvironment(version: '2.5.0', condition: TestCondition.ON_DEMAND),
-					new OpenSearchLocalBuildEnvironment(version: '2.6.0', condition: TestCondition.AFTER_MERGE)
+					new OpenSearchLocalBuildEnvironment(version: '2.6.0', condition: TestCondition.ON_DEMAND),
+					new OpenSearchLocalBuildEnvironment(version: '2.7.0', condition: TestCondition.AFTER_MERGE)
 					// See https://opensearch.org/lines/2x.html for a list of all 2.x versions
 			],
 			esAws: [
@@ -955,4 +956,4 @@ String toTestJdkArg(BuildEnvironment buildEnv) {
 	}
 
 	return args
-}
+}

pom.xml

@@ -230,13 +230,13 @@
         <version.org.elasticsearch.latest>8.7.1</version.org.elasticsearch.latest>
         <!-- The versions of OpenSearch advertised as compatible with Hibernate Search -->
         <!-- Make sure to only mention tested versions here -->
-        <version.org.opensearch.compatible.regularly-tested.text>1.3 or 2.6</version.org.opensearch.compatible.regularly-tested.text>
+        <version.org.opensearch.compatible.regularly-tested.text>1.3 or 2.7</version.org.opensearch.compatible.regularly-tested.text>
         <!-- These are the versions same as above, but pointing only to the major part (used in compatibility section of ES backend documentation
           as versions that Hibernate Search is compatible with. -->
         <!-- NOTE: Adding new major versions would require to update the compatibility table in `backend-elasticsearch-compatibility` section of `backend-elasticsearch.asciidoc`. -->
         <version.org.opensearch.compatible.expected.text>1.x or 2.x</version.org.opensearch.compatible.expected.text>
         <!-- The latest version of OpenSearch tested against by default -->
-        <version.org.opensearch.latest>2.6.0</version.org.opensearch.latest>
+        <version.org.opensearch.latest>2.7.0</version.org.opensearch.latest>
 
         <version.com.google.code.gson>2.9.1</version.com.google.code.gson>
         <version.software.amazon.awssdk>2.20.2</version.software.amazon.awssdk>