Bump io.netty:netty-codec-http from 4.1.75.Final to 4.1.108.Final

Bumps [io.netty:netty-codec-http](https://github.com/netty/netty) from 4.1.75.Final to 4.1.108.Final.
- [Commits](netty/netty@netty-4.1.75.Final...netty-4.1.108.Final)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -156,7 +156,7 @@
     <mockito.version>1.10.19</mockito.version>
     <mysql.version>5.1.21</mysql.version>
     <netty.http.version>1.7.0</netty.http.version>
-    <netty.version>4.1.75.Final</netty.version>
+    <netty.version>4.1.108.Final</netty.version>
     <powermock.version>1.7.4</powermock.version>
     <quartz.version>2.2.0</quartz.version>
     <resteasy.version>3.0.8.Final</resteasy.version>