Merge pull request #4 from aws-samples/dependabot/maven/org.apache.kafka-kafka-clients-2.6.3

Bump org.apache.kafka:kafka-clients from 2.6.1 to 2.6.3

Author: nwheeler81

pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>2.6.1</version>
+            <version>2.6.3</version>
         </dependency>
         <dependency>
             <groupId>software.amazon.msk</groupId>