Bump io.micronaut:micronaut-http-server-netty from 3.7.4 to 3.8.3

Bumps [io.micronaut:micronaut-http-server-netty](https://github.com/micronaut-projects/micronaut-core) from 3.7.4 to 3.8.3.
- [Release notes](https://github.com/micronaut-projects/micronaut-core/releases)
- [Changelog](https://github.com/micronaut-projects/micronaut-core/blob/4.3.x/RELEASE.adoc)
- [Commits](micronaut-projects/micronaut-core@v3.7.4...v3.8.3)

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

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

pom.xml

@@ -17,7 +17,7 @@
     <properties>
         <jdk.version>11</jdk.version>
         <swagger.version>2.1.0</swagger.version>
-        <micronaut.version>3.7.4</micronaut.version>
+        <micronaut.version>3.8.3</micronaut.version>
         <micronaut.runtime>netty</micronaut.runtime>
         <maven.compiler.target>${jdk.version}</maven.compiler.target>
         <maven.compiler.source>${jdk.version}</maven.compiler.source>