libs: use netty-4.1.92

minor bugfix release.

Fixes: #7056
Acked-by: Lea Morschel
Target: master, 9.0, 8.2
Require-book: no
Require-notes: yes
(cherry picked from commit 55e3bf9)
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>

pom.xml

@@ -71,7 +71,7 @@
         <version.xrootd4j>4.5.6</version.xrootd4j>
         <version.jersey>2.28</version.jersey>
         <version.dcache-view>2.0.2</version.dcache-view>
-        <version.netty>4.1.77.Final</version.netty>
+        <version.netty>4.1.92.Final</version.netty>
         <version.dcache>${project.version}</version.dcache>
         <version.swagger-ui>3.1.7</version.swagger-ui>