Bump io.freefair.gradle:lombok-plugin from 6.6.3 to 8.6 (#6123)

Bumps [io.freefair.gradle:lombok-plugin](https://github.com/freefair/gradle-plugins) from 6.6.3 to 8.6.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](https://github.com/freefair/gradle-plugins/compare/6.6.3...8.6)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

settings.gradle

@@ -10,7 +10,7 @@ buildscript {
         //noinspection DifferentKotlinGradleVersion
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.23"
         classpath "gradle.plugin.com.hierynomus.gradle.plugins:license-gradle-plugin:0.16.1"
-        classpath "io.freefair.gradle:lombok-plugin:6.6.3"
+        classpath "io.freefair.gradle:lombok-plugin:8.6"
     }
 }