Bump netty from 4.2.7.Final to 4.2.9.Final (#7254)

Signed-off-by: Aleksandr Polovtsev <alex.polovtcev@gmail.com>
Co-authored-by: Aleksandr Polovtsev <alex.polovtcev@gmail.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -27,7 +27,7 @@ fmpp = "0.9.16"
 jackson = "2.19.2"
 jakarta = "2.0.0"
 jansi = "2.4.2"
-netty = "4.2.7.Final"
+netty = "4.2.9.Final"
 javapoet = "1.13.0"
 javax = "1.3.2"
 jetbrainsAnnotations = "26.0.2-1"