Upgrade to Elasticsearch 8.6.0.

Original Pull Request #2430
Closes #2426

pom.xml

@@ -23,7 +23,7 @@
 		<!-- version of the RestHighLevelClient	-->
 		<elasticsearch-rhlc>7.17.8</elasticsearch-rhlc>
 		<!-- version of the new ElasticsearchClient	-->
-		<elasticsearch-java>8.5.3</elasticsearch-java>
+		<elasticsearch-java>8.6.0</elasticsearch-java>
 
 		<log4j>2.18.0</log4j>
 		<netty>4.1.65.Final</netty>

src/main/asciidoc/preface.adoc

@@ -37,7 +37,7 @@ built and tested.
 [cols="^,^,^,^,^",options="header"]
 |===
 | Spring Data Release Train | Spring Data Elasticsearch | Elasticsearch | Spring Framework | Spring Boot
-| 2022.1 | 5.1.x | 8.5.3 | 6.0.x | 3.0.x
+| 2022.1 | 5.1.x | 8.6.0 | 6.0.x | 3.0.x
 | 2022.0 (Turing) | 5.0.x | 8.5.3 | 6.0.x | 3.0.x
 | 2021.2 (Raj) | 4.4.x | 7.17.3 | 5.3.x | 2.7.x
 | 2021.1 (Q) | 4.3.x | 7.15.2 | 5.3.x | 2.6.x

src/main/asciidoc/reference/elasticsearch-new.adoc

@@ -4,7 +4,7 @@
 [[new-features.5-1-0]]
 == New in Spring Data Elasticsearch 5.1
 
-* Upgrade to Elasticsearch 8.5.3
+* Upgrade to Elasticsearch 8.6.0
 
 [[new-features.5-0-0]]
 == New in Spring Data Elasticsearch 5.0

src/test/resources/testcontainers-elasticsearch.properties

@@ -15,7 +15,7 @@
 #
 #
 sde.testcontainers.image-name=docker.elastic.co/elasticsearch/elasticsearch
-sde.testcontainers.image-version=8.5.3
+sde.testcontainers.image-version=8.6.0
 #
 #
 # needed as we do a DELETE /* at the end of the tests, will be required from 8.0 on, produces a warning since 7.13