Upgrade to Elasticsearch 7.12.1.

Original Pull Request #1796
Closes #1792

Author: sothawo

pom.xml

@@ -19,7 +19,7 @@
 
 	<properties>
 		<commonslang>2.6</commonslang>
-		<elasticsearch>7.12.0</elasticsearch>
+		<elasticsearch>7.12.1</elasticsearch>
 		<log4j>2.13.3</log4j>
 		<netty>4.1.52.Final</netty>
 		<springdata.commons>2.6.0-SNAPSHOT</springdata.commons>

src/main/asciidoc/preface.adoc

@@ -34,7 +34,8 @@ The following table shows the Elasticsearch versions that are used by Spring Dat
 [cols="^,^,^,^,^",options="header"]
 |===
 | Spring Data Release Train | Spring Data Elasticsearch | Elasticsearch | Spring Framework | Spring Boot
-| 2021.0 (Pascal)footnote:cdv[Currently in development] | 4.2.xfootnote:cdv[] | 7.12.0 | 5.3.xfootnote:cdv[] | 2.4.xfootnote:cdv[]
+| 2021.1 (Q)footnote:cdv[Currently in development] | 4.3.xfootnote:cdv[] | 7.12.1 | 5.3.xfootnote:cdv[] | 2.5.xfootnote:cdv[]
+| 2021.0 (Pascal) | 4.2.x | 7.12.0 | 5.3.x | 2.5.x
 | 2020.0 (Ockham) | 4.1.x | 7.9.3 | 5.3.2 | 2.4.x
 | Neumann | 4.0.x | 7.6.2 | 5.2.12 |2.3.x
 | Moore | 3.2.x |6.8.12 | 5.2.12| 2.2.x