Bump net.javacrumbs.json-unit:json-unit-assertj from 3.5.0 to 4.0.0

Bumps [net.javacrumbs.json-unit:json-unit-assertj](https://github.com/lukas-krecan/JsonUnit) from 3.5.0 to 4.0.0.
- [Changelog](https://github.com/lukas-krecan/JsonUnit/blob/master/RELEASES.md)
- [Commits](lukas-krecan/JsonUnit@json-unit-parent-3.5.0...json-unit-parent-4.0.0)

---
updated-dependencies:
- dependency-name: net.javacrumbs.json-unit:json-unit-assertj
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

pom.xml

@@ -104,7 +104,7 @@
         <lib.jackson.version>2.18.0</lib.jackson.version>
         <lib.jackson-databind.version>2.18.0</lib.jackson-databind.version>
         <lib.json-java.version>20240303</lib.json-java.version>
-        <lib.json-unit.version>3.5.0</lib.json-unit.version>
+        <lib.json-unit.version>4.0.0</lib.json-unit.version>
         <lib.junit.version>4.13.2</lib.junit.version>
         <lib.lucene.version>8.11.4</lib.lucene.version>
         <lib.maven-artifact.version>3.9.9</lib.maven-artifact.version>