Upgrade netty to fix CVE-2024-47535 (streamnative#1115)

### Motivation
- streamnative/eng-support-tickets#1987
- streamnative/eng-support-tickets#1988

### Modifications
- Upgrade netty to fix CVE-2024-47535

(cherry picked from commit 4a8cb3b)

Author: shibd

pom.xml

@@ -85,7 +85,7 @@
     <snakeyaml.version>2.0</snakeyaml.version>
     <reload4j.version>1.2.24</reload4j.version>
     <woodstox-core.version>5.4.0</woodstox-core.version>
-    <netty.version>4.1.86.Final</netty.version>
+    <netty.version>4.1.115.Final</netty.version>
     <libthrift.version>0.17.0</libthrift.version>
   </properties>