chore(deps): bump io.freefair.lombok from 8.11 to 8.12

Bumps [io.freefair.lombok](https://github.com/freefair/gradle-plugins) from 8.11 to 8.12.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.11...8.12)

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

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
     id("java")
-    id("io.freefair.lombok") version "8.11"
+    id("io.freefair.lombok") version "8.12"
     id("org.springframework.boot") version "3.4.1"
     id("io.spring.dependency-management") version "1.1.7"
     id("application")