build(deps): bump org.projectlombok:lombok in /modules/gs-tree (#824)

Bumps [org.projectlombok:lombok](https://github.com/projectlombok/lombok) from 1.18.32 to 1.18.34.
- [Changelog](https://github.com/projectlombok/lombok/blob/master/doc/changelog.markdown)
- [Commits](projectlombok/lombok@v1.18.32...v1.18.34)

---
updated-dependencies:
- dependency-name: org.projectlombok:lombok
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

modules/gs-tree/pom.xml

@@ -20,7 +20,7 @@
  <sonar.projectName>GreenStone (gs-tree)</sonar.projectName>
  <sonar.organization>asamal</sonar.organization>
  <sonar.host.url>https://sonarcloud.io</sonar.host.url>
- <lombok.version>1.18.32</lombok.version>
+ <lombok.version>1.18.34</lombok.version>
  <graphql.version>15.1.0</graphql.version>
  </properties>