Bump netty.version from 4.1.80.Final to 4.1.81.Final

Bumps `netty.version` from 4.1.80.Final to 4.1.81.Final.

Updates `netty-transport` from 4.1.80.Final to 4.1.81.Final
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.1.80.Final...netty-4.1.81.Final)

Updates `netty-codec` from 4.1.80.Final to 4.1.81.Final
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.1.80.Final...netty-4.1.81.Final)

Updates `netty-handler` from 4.1.80.Final to 4.1.81.Final
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.1.80.Final...netty-4.1.81.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-transport
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.netty:netty-codec
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.netty:netty-handler
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -53,7 +53,7 @@
     <logback.version>1.2.11</logback.version>
     <slf4j.perftool.version>2.0.0</slf4j.perftool.version>
     <logback.perftool.version>1.3.0</logback.perftool.version>
-    <netty.version>4.1.80.Final</netty.version>
+    <netty.version>4.1.81.Final</netty.version>
     <proton-j.version>0.34.0</proton-j.version>
     <metrics.version>4.2.12</metrics.version>
     <micrometer.version>1.9.3</micrometer.version>