Bump lombok-plugin from 5.3.0 to 6.4.3

Bumps [lombok-plugin](https://github.com/freefair/gradle-plugins) from 5.3.0 to 6.4.3.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](https://github.com/freefair/gradle-plugins/compare/5.3.0...6.4.3)

---
updated-dependencies:
- dependency-name: io.freefair.gradle:lombok-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

settings.gradle

@@ -10,7 +10,7 @@ buildscript {
         //noinspection DifferentKotlinGradleVersion
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.72"
         classpath "gradle.plugin.com.hierynomus.gradle.plugins:license-gradle-plugin:0.16.1"
-        classpath "io.freefair.gradle:lombok-plugin:5.3.0"
+        classpath "io.freefair.gradle:lombok-plugin:6.4.3"
     }
 }