chore(deps): bump io.netty:netty-common in /moquette-0.17/broker

Bumps [io.netty:netty-common](https://github.com/netty/netty) from 4.1.108.Final to 4.1.115.Final.
- [Commits](netty/netty@netty-4.1.108.Final...netty-4.1.115.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-common
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

moquette-0.17/broker/pom.xml

@@ -14,7 +14,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <netty.version>4.1.108.Final</netty.version>
+        <netty.version>4.1.115.Final</netty.version>
         <!-- Check Netty pom.xm to know the right version of tcnative, for example
              https://github.com/netty/netty/blob/netty-4.1.93.Final/pom.xml#L625 -->
         <netty.tcnative.version>2.0.61.Final</netty.tcnative.version>