Bump elasticsearch-rest-client in /collector/elasticsearch

Bumps [elasticsearch-rest-client](https://github.com/elastic/elasticsearch) from 7.10.2 to 7.13.4.
- [Release notes](https://github.com/elastic/elasticsearch/releases)
- [Changelog](https://github.com/elastic/elasticsearch/blob/master/CHANGELOG.md)
- [Commits](https://github.com/elastic/elasticsearch/compare/v7.10.2...v7.13.4)

---
updated-dependencies:
- dependency-name: org.elasticsearch.client:elasticsearch-rest-client
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/collector/elasticsearch/pom.xml b/collector/elasticsearch/pom.xml
index d636e44..c2fa417 100644
--- a/collector/elasticsearch/pom.xml
+++ b/collector/elasticsearch/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.elasticsearch.client</groupId>
             <artifactId>elasticsearch-rest-client</artifactId>
-            <version>7.10.2</version>
+            <version>7.13.4</version>
         </dependency>
         <dependency>
             <groupId>org.elasticsearch.client</groupId>