Bump io.freefair.lombok from 8.2.2 to 8.4

Bumps [io.freefair.lombok](https://github.com/freefair/gradle-plugins) from 8.2.2 to 8.4.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.2.2...8.4)

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

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-io-freefair-lombok = "8.2.2"
+io-freefair-lombok = "8.4"
 io-codearte-nexus-staging = "0.21.2"
 org-jreleaser = "1.7.0"