Bump org.neo4j.test:neo4j-harness from 4.4.5 to 5.18.1

Bumps [org.neo4j.test:neo4j-harness](https://github.com/neo4j/neo4j) from 4.4.5 to 5.18.1.
- [Release notes](https://github.com/neo4j/neo4j/releases)
- [Commits](neo4j/neo4j@4.4.5...5.18.1)

---
updated-dependencies:
- dependency-name: org.neo4j.test:neo4j-harness
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

pom.xml

@@ -18,7 +18,7 @@
 	<properties>
 		<java.version>11</java.version>
 		<springdoc-openapi-ui.version>1.6.8</springdoc-openapi-ui.version>
-		<neo4j.version>4.4.5</neo4j.version>
+		<neo4j.version>5.18.1</neo4j.version>
 	</properties>
 
 	<dependencies>