Release netty version 1:4.1.48-4+apertis2

Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>

debian/changelog

+netty (1:4.1.48-4+apertis2) apertis; urgency=medium
+
+  * Disable libprotobuf-java since protobuf does not
+    provide libprotobuf-java.
+
+ -- Vignesh Raman <vignesh.raman@collabora.com>  Wed, 09 Mar 2022 21:58:07 +0530
+
 netty (1:4.1.48-4+apertis1) apertis; urgency=medium
 
   * Set component to sdk. Move java packages to sdk to avoid building