GH-2681 - Upgrade Neo4j container to 5.

Author: meistermeier

src/test/java/org/springframework/data/neo4j/documentation/spring_boot/ReactiveTemplateExampleTest.java

@@ -48,7 +48,7 @@
 // tag::faq.template-reactive-pt2[]
 class ReactiveTemplateExampleTest {
 
-	@Container private static Neo4jContainer<?> neo4jContainer = new Neo4jContainer<>("neo4j:4.4");
+	@Container private static Neo4jContainer<?> neo4jContainer = new Neo4jContainer<>("neo4j:5");
 
 	@DynamicPropertySource
 	static void neo4jProperties(DynamicPropertyRegistry registry) {

src/test/java/org/springframework/data/neo4j/integration/multiple_ctx_imperative/MultipleContextsIT.java

@@ -53,21 +53,21 @@
 public class MultipleContextsIT {
 
 	@Container
-	private static Neo4jContainer container1 = new Neo4jContainer<>("neo4j:4.4")
-			.withAdminPassword("secret1");
+	private static Neo4jContainer container1 = new Neo4jContainer<>("neo4j:5")
+			.withAdminPassword("verysecret1");
 
 	@Container
-	private static Neo4jContainer container2 = new Neo4jContainer<>("neo4j:4.4")
-			.withAdminPassword("secret2");
+	private static Neo4jContainer container2 = new Neo4jContainer<>("neo4j:5")
+			.withAdminPassword("verysecret2");
 
 	@DynamicPropertySource
 	static void neo4jSettings(DynamicPropertyRegistry registry) {
 
 		registry.add("database1.url", container1::getBoltUrl);
-		registry.add("database1.password", () -> "secret1");
+		registry.add("database1.password", () -> "verysecret1");
 
 		registry.add("database2.url", container2::getBoltUrl);
-		registry.add("database2.password", () -> "secret2");
+		registry.add("database2.password", () -> "verysecret2");
 	}
 
 	@Test // DATAGRAPH-1441

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

@@ -294,7 +294,7 @@ 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("4.4");
+		private final String imageVersion = Optional.ofNullable(System.getenv(SYS_PROPERTY_NEO4J_VERSION)).orElse("5");
 
 		private final boolean containerReuseSupported = TestcontainersConfiguration
 				.getInstance().environmentSupportsReuse();