Update to netty-4.1.106.Final (#231)

Motivation:

We are not using the latest netty release

Modifications:

Update to netty-4.1.106.Final

Result:

Use latest netty release

pom.xml

@@ -77,7 +77,7 @@
 
     <checkstyle.version>8.38</checkstyle.version>
     <junit.version>5.9.0</junit.version>
-    <netty.version>4.1.104.Final</netty.version>
+    <netty.version>4.1.106.Final</netty.version>
     <netty-tcnative-boringssl-static.version>2.0.61.Final</netty-tcnative-boringssl-static.version>
     <bouncycastle.version>1.68</bouncycastle.version>
     <build-helper-maven-plugin.version>3.2.0</build-helper-maven-plugin.version>