GH-2220 - Align Neo4j and Neo4j driver versions.

Fixes #2220.

Author: michael-simons

pom.xml

@@ -103,7 +103,7 @@
 		<mockito>${mockito.version}</mockito>
 		<mockito.version>3.2.4</mockito.version>
 		<neo4j-java-driver.version>4.1.1</neo4j-java-driver.version>
-		<neo4j.version>4.0.11</neo4j.version>
+		<neo4j.version>4.1.8</neo4j.version>
 		<objenesis.version>3.0.1</objenesis.version>
 		<project.build.docs>${project.build.directory}/docs</project.build.docs>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

src/test/java/org/springframework/data/neo4j/test/Neo4jExtension.java

@@ -275,7 +275,7 @@ static class ContainerAdapter implements ExtensionContext.Store.CloseableResourc
 
 		private final String repository = Optional.ofNullable(System.getenv(SYS_PROPERTY_NEO4J_REPOSITORY)).orElse("neo4j");
 
-		private final String imageVersion = Optional.ofNullable(System.getenv(SYS_PROPERTY_NEO4J_VERSION)).orElse("4.0");
+		private final String imageVersion = Optional.ofNullable(System.getenv(SYS_PROPERTY_NEO4J_VERSION)).orElse("4.1");
 
 		private final boolean containerReuseSupported = TestcontainersConfiguration
 				.getInstance().environmentSupportsReuse();