Align with repackaging of Neo4j's ServiceUnavailableException

See gh-18162

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-data-neo4j/src/test/java/smoketest/data/neo4j/SampleNeo4jApplicationTests.java

@@ -18,7 +18,7 @@ package smoketest.data.neo4j;
 
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.neo4j.driver.v1.exceptions.ServiceUnavailableException;
+import org.neo4j.driver.exceptions.ServiceUnavailableException;
 
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;