Bump org.apache.zookeeper:zookeeper from 3.5.7 to 3.7.2

Bumps org.apache.zookeeper:zookeeper from 3.5.7 to 3.7.2.

---
updated-dependencies:
- dependency-name: org.apache.zookeeper:zookeeper
  dependency-type: direct:production
...

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

Author: dependabot[bot]

external/kafka-0-10-sql/pom.xml

@@ -128,7 +128,7 @@
     <dependency>
       <groupId>org.apache.zookeeper</groupId>
       <artifactId>zookeeper</artifactId>
-      <version>3.5.7</version>
+      <version>3.7.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>

external/kafka-0-10/pom.xml

@@ -100,7 +100,7 @@
     <dependency>
       <groupId>org.apache.zookeeper</groupId>
       <artifactId>zookeeper</artifactId>
-      <version>3.5.7</version>
+      <version>3.7.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>

pom.xml

@@ -123,7 +123,7 @@
     <hadoop.version>3.3.1</hadoop.version>
     <protobuf.version>2.5.0</protobuf.version>
     <yarn.version>${hadoop.version}</yarn.version>
-    <zookeeper.version>3.6.2</zookeeper.version>
+    <zookeeper.version>3.7.2</zookeeper.version>
     <curator.version>2.13.0</curator.version>
     <hive.group>org.apache.hive</hive.group>
     <hive.classifier>core</hive.classifier>