chore: Bump the gradle-version-updates group in /backend with 2 updates

Bumps the gradle-version-updates group in /backend with 2 updates: [io.freefair.lombok](https://github.com/freefair/gradle-plugins) and org.openrewrite.rewrite.


Updates `io.freefair.lombok` from 8.12.2.1 to 8.13
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.12.2.1...8.13)

Updates `org.openrewrite.rewrite` from 7.1.7 to 7.2.0

---
updated-dependencies:
- dependency-name: io.freefair.lombok
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle-version-updates
- dependency-name: org.openrewrite.rewrite
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle-version-updates
...

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

Author: dependabot[bot]

backend/build.gradle

@@ -3,13 +3,13 @@ plugins {
     id "idea"
     id "org.springframework.boot" version "3.4.3"
     id "io.spring.dependency-management" version "1.1.7"
-    id "io.freefair.lombok" version "8.12.2.1"
+    id "io.freefair.lombok" version "8.13"
     id "com.github.spotbugs" version "6.1.0"
     id "com.github.ben-manes.versions" version "0.52.0"
     id "org.owasp.dependencycheck" version "8.4.3"
     id "com.diffplug.spotless" version "7.0.2"
     id "info.solidsoft.pitest" version "1.15.0"
-    id "org.openrewrite.rewrite" version "7.1.7"
+    id "org.openrewrite.rewrite" version "7.2.0"
 }
 
 spotless {