Bump io.freefair.lombok from 9.0.0-rc2 to 9.1.0

Bumps [io.freefair.lombok](https://github.com/freefair/gradle-plugins) from 9.0.0-rc2 to 9.1.0.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@9.0.0-rc2...9.1.0)

---
updated-dependencies:
- dependency-name: io.freefair.lombok
  dependency-version: 9.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -29,7 +29,7 @@ spotless = { id = "com.diffplug.spotless", version.ref = "spotless-plugin" }
 spring-boot-version = "3.5.5"
 
 spring-dependency-version = "1.1.7"
-lombok-plugin = "9.0.0-rc2"
+lombok-plugin = "9.1.0"
 versions-plugin = "0.52.0"
 shadow-plugin = "9.1.0"
 sonarqube-plugin = "6.2.0.5505"