SONAR-15853 Upgrade Elasticsearch to 7.16.2

- upgrade test dependency of log4j to 2.17

build.gradle

@@ -306,7 +306,7 @@ subprojects {
         exclude 'commons-logging:commons-logging'
       }
       // Be aware that Log4j is used by Elasticsearch client
-      dependencySet(group: 'org.apache.logging.log4j', version: '2.16.0') {
+      dependencySet(group: 'org.apache.logging.log4j', version: '2.17.0') {
         entry 'log4j-core'
         entry 'log4j-api'
         entry 'log4j-to-slf4j'

gradle.properties

@@ -11,5 +11,5 @@ org.gradle.vfs.watch=true
 # https://www.elastic.co/downloads/elasticsearch-no-jdk
 elasticsearchDownloadUrlPath=https://artifacts.elastic.co/downloads/elasticsearch/
 elasticsearchDownloadRepoxUrlPath=https://repox.jfrog.io/artifactory/sonarsource-bucket/sonarqube/elasticsearch/
-elasticsearchDownloadUrlFile=elasticsearch-7.16.1-no-jdk-linux-x86_64.tar.gz
-elasticsearchDownloadSha512=529280741a3fe87df267abfa0fa03e79c24d0403f293f3604ddfddf01980efdc654cbb4586513d8424186298707bfd6fcbd21027d345262d6418e6021a9c4f88
+elasticsearchDownloadUrlFile=elasticsearch-7.16.2-no-jdk-linux-x86_64.tar.gz
+elasticsearchDownloadSha512=4e913e6657501a23830e138d0f7de7de57e80c0953078ecb10565770931bbba0eed37b38de0888f9618de579138d51ca16f0239048ff70de68330aba862aff8d