Revert "Bump netty.version from 4.1.118.Final to 4.2.1.Final (awslabs#285)" (awslabs#293)

This reverts commit 2d08638.

Author: vincentvilo-aws

pom.xml

@@ -4,7 +4,7 @@
     <properties>
         <awssdk.version>2.25.64</awssdk.version>
         <kcl.version>3.0.3</kcl.version>
-        <netty.version>4.2.1.Final</netty.version>
+        <netty.version>4.1.118.Final</netty.version>
         <netty-reactive.version>2.0.6</netty-reactive.version>
         <fasterxml-jackson.version>2.13.5</fasterxml-jackson.version>
         <logback.version>1.3.15</logback.version>