ATLAS-4579 : Upgrade netty to 4.1.72

Signed-off-by: Pinal Shah <pinal.shah@freestoneinfotech.com>
diff --git a/pom.xml b/pom.xml
index 673f71c..29d7692 100644
--- a/pom.xml
+++ b/pom.xml
@@ -751,7 +751,7 @@
         <lucene-solr.version>8.6.3</lucene-solr.version>
         <maven-site-plugin.version>3.7</maven-site-plugin.version>
         <MaxPermGen>512m</MaxPermGen>
-        <netty.version>4.1.69.Final</netty.version>
+        <netty.version>4.1.72.Final</netty.version>
         <node-for-v2.version>v12.16.0</node-for-v2.version>
         <npm-for-v2.version>6.13.7</npm-for-v2.version>
         <opencsv.version>5.0</opencsv.version>