Bump io.freefair.lombok from 8.4 to 8.6

Bumps [io.freefair.lombok](https://github.com/freefair/gradle-plugins) from 8.4 to 8.6.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.4...8.6)

---
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>

build.gradle

@@ -3,7 +3,7 @@ plugins {
     id "maven-publish"
     id "signing"
     id "net.raphimc.class-token-replacer" version "1.0.0"
-    id "io.freefair.lombok" version "8.4"
+    id "io.freefair.lombok" version "8.6"
 }
 
 base {