Bump assertj-core from 3.18.1 to 3.19.0 in /modules/neo4j (#3716)

Bumps [assertj-core](https://github.com/assertj/assertj-core) from 3.18.1 to 3.19.0.
- [Release notes](https://github.com/assertj/assertj-core/releases)
- [Commits](assertj/assertj@assertj-core-3.18.1...assertj-core-3.19.0)

Signed-off-by: dependabot[bot] <support@github.com>

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

modules/neo4j/build.gradle

@@ -34,5 +34,5 @@ dependencies {
     compile project(":testcontainers")
 
     testCompile "org.neo4j.driver:neo4j-java-driver:1.7.5"
-    testCompile 'org.assertj:assertj-core:3.18.1'
+    testCompile 'org.assertj:assertj-core:3.19.0'
 }