Revert "Bump io.netty:netty-bom from 4.1.126.Final to 4.2.10.Final (#288)"

This reverts commit aca2eef.

Author: ferenc-csaky

pom.xml

@@ -111,7 +111,7 @@
     <log4j.version>2.25.3</log4j.version>
     <lombok.version>1.18.42</lombok.version>
     <mockito.version>5.22.0</mockito.version>
-    <netty.version>4.2.10.Final</netty.version>
+    <netty.version>4.1.126.Final</netty.version>
     <nextbreakpoint.flink.client.version>1.1.4</nextbreakpoint.flink.client.version>
     <picocli.version>4.7.7</picocli.version>
     <postgres.version>42.7.10</postgres.version>