Bump org.elasticsearch:elasticsearch from 6.8.23 to 8.11.2

Bumps [org.elasticsearch:elasticsearch](https://github.com/elastic/elasticsearch) from 6.8.23 to 8.11.2.
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Changelog](https://github.com/elastic/elasticsearch/blob/main/CHANGELOG.md)
- [Commits](elastic/elasticsearch@v6.8.23...v8.11.2)

---
updated-dependencies:
- dependency-name: org.elasticsearch:elasticsearch
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

persistence/mysql-persistence/build.gradle

@@ -20,10 +20,10 @@ dependencies {
 
     testImplementation "org.codehaus.groovy:groovy-all:${revGroovy}"
 
-    testImplementation "org.elasticsearch:elasticsearch:6.8.23"
-    testImplementation "org.elasticsearch.client:transport:6.8.23"
-    testImplementation "org.elasticsearch.client:elasticsearch-rest-client:6.8.23"
-    testImplementation "org.elasticsearch.client:elasticsearch-rest-high-level-client:6.8.23"
+    testImplementation "org.elasticsearch:elasticsearch:8.11.2"
+    testImplementation "org.elasticsearch.client:transport:8.11.2"
+    testImplementation "org.elasticsearch.client:elasticsearch-rest-client:8.11.2"
+    testImplementation "org.elasticsearch.client:elasticsearch-rest-high-level-client:8.11.2"
     testImplementation "org.testcontainers:elasticsearch:${revTestContainer}"
 
     testImplementation "org.testcontainers:mysql:${revTestContainer}"

persistence/postgres-persistence/build.gradle

@@ -18,10 +18,10 @@ dependencies {
     implementation "org.flywaydb:flyway-core"
 
     testImplementation "org.codehaus.groovy:groovy-all:${revGroovy}"
-    testImplementation "org.elasticsearch:elasticsearch:6.8.23"
-    testImplementation "org.elasticsearch.client:transport:6.8.23"
-    testImplementation "org.elasticsearch.client:elasticsearch-rest-client:6.8.23"
-    testImplementation "org.elasticsearch.client:elasticsearch-rest-high-level-client:6.8.23"
+    testImplementation "org.elasticsearch:elasticsearch:8.11.2"
+    testImplementation "org.elasticsearch.client:transport:8.11.2"
+    testImplementation "org.elasticsearch.client:elasticsearch-rest-client:8.11.2"
+    testImplementation "org.elasticsearch.client:elasticsearch-rest-high-level-client:8.11.2"
     testImplementation "org.testcontainers:elasticsearch:${revTestContainer}"
 
     testImplementation "com.netflix.conductor:conductor-server:${revConductor}"