Bump io.netty:netty-bom from 4.1.128.Final to 4.2.8.Final

Bumps [io.netty:netty-bom](https://github.com/netty/netty) from 4.1.128.Final to 4.2.8.Final.
- [Commits](netty/netty@netty-4.1.128.Final...netty-4.2.8.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-bom
  dependency-version: 4.2.8.Final
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -170,7 +170,7 @@
     <metainf-services.version>1.11</metainf-services.version>
     <mockito.version>4.11.0</mockito.version>
     <native.lib.tmp.dir />
-    <netty.version>4.1.128.Final</netty.version>
+    <netty.version>4.2.8.Final</netty.version>
     <!-- Node.js version number (without the v prefix required by frontend-maven-plugin) -->
     <nodejs.version>16.14.2</nodejs.version>
     <okhttp3.version>4.12.0</okhttp3.version>