Bump io.netty:netty-bom from 4.2.6.Final to 4.2.7.Final

Bumps [io.netty:netty-bom](https://github.com/netty/netty) from 4.2.6.Final to 4.2.7.Final.
- [Commits](netty/netty@netty-4.2.6.Final...netty-4.2.7.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-bom
  dependency-version: 4.2.7.Final
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -268,7 +268,7 @@
             <dependency>
                 <groupId>io.netty</groupId>
                 <artifactId>netty-bom</artifactId>
-                <version>4.2.6.Final</version>
+                <version>4.2.7.Final</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>