Bump elasticsearch-maven-plugin

Bumps [elasticsearch-maven-plugin](https://github.com/alexcojocaru/elasticsearch-maven-plugin) from 6.20 to 6.22.
- [Release notes](https://github.com/alexcojocaru/elasticsearch-maven-plugin/releases)
- [Commits](alexcojocaru/elasticsearch-maven-plugin@elasticsearch-maven-plugin-6.20...elasticsearch-maven-plugin-6.22)

---
updated-dependencies:
- dependency-name: com.github.alexcojocaru:elasticsearch-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

search/hibernate-search-5/elasticsearch-5/pom.xml

@@ -15,7 +15,7 @@
 		<version.junit>4.13.2</version.junit>
 		<version.org.slf4j>1.7.33</version.org.slf4j>
 
-		<version.elasticsearch-maven-plugin>6.20</version.elasticsearch-maven-plugin>
+		<version.elasticsearch-maven-plugin>6.22</version.elasticsearch-maven-plugin>
 		<version.org.elasticsearch>5.6.9</version.org.elasticsearch>
 
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>