[Dependabot]: Bump io.freefair.lombok from 8.13.1 to 9.0.0

Bumps [io.freefair.lombok](https://github.com/freefair/gradle-plugins) from 8.13.1 to 9.0.0.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.13.1...9.0.0)

---
updated-dependencies:
- dependency-name: io.freefair.lombok
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build.gradle

@@ -4,7 +4,7 @@ import com.vanniktech.maven.publish.JavadocJar
 plugins {
     id 'java-library'
     // to unleash the lombok magic
-    id "io.freefair.lombok" version "8.13.1"
+    id "io.freefair.lombok" version "9.0.0"
     // to make our tests output more fancy
     id 'com.adarshr.test-logger' version '4.0.0'
     // code linting