ElasticContainer: Upgrade V7_5 to elasticsearch 7.5.2

Upgrade elasticsearch-rest-client to 7.5.2, accordingly.

Change-Id: I39059811c2ae2167e41f9f3851446dbbde3cf1e4
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
index c67a842..53acdeb 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
@@ -63,7 +63,7 @@
       case V7_4:
         return "blacktop/elasticsearch:7.4.2";
       case V7_5:
-        return "blacktop/elasticsearch:7.5.1";
+        return "blacktop/elasticsearch:7.5.2";
     }
     throw new IllegalStateException("No tests for version: " + version.name());
   }
diff --git a/tools/nongoogle.bzl b/tools/nongoogle.bzl
index 82022a7..4ffcba6 100644
--- a/tools/nongoogle.bzl
+++ b/tools/nongoogle.bzl
@@ -94,8 +94,8 @@
     # and httpasyncclient as necessary.
     maven_jar(
         name = "elasticsearch-rest-client",
-        artifact = "org.elasticsearch.client:elasticsearch-rest-client:7.5.1",
-        sha1 = "094c155906dc94146fc5adc344ea2c676d487cf2",
+        artifact = "org.elasticsearch.client:elasticsearch-rest-client:7.5.2",
+        sha1 = "e11393f600a425b7f62e6f653e19a9e53556fd79",
     )
 
     maven_jar(