Bump io.netty:netty-bom from 4.2.7.Final to 4.2.8.Final

Bumps [io.netty:netty-bom](https://github.com/netty/netty) from 4.2.7.Final to 4.2.8.Final.
- [Commits](netty/netty@netty-4.2.7.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-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -5,7 +5,7 @@ dokka = "2.1.0"
 atomicfu = "0.29.0"
 ktlint = "14.0.1"
 kover = "0.9.3"
-netty = "4.2.7.Final"
+netty = "4.2.8.Final"
 mavenPublish = "0.35.0"
 binaryCompatibilityValidatorPlugin = "0.18.1"
 openapi-generator = "7.17.0"