Bump mockito.version from 5.18.0 to 5.19.0 (#189)

Author: dependabot[bot]

pom.xml

@@ -103,7 +103,7 @@
     <junit.version>5.13.4</junit.version>
     <log4j.version>2.25.1</log4j.version>
     <lombok.version>1.18.38</lombok.version>
-    <mockito.version>5.18.0</mockito.version>
+    <mockito.version>5.19.0</mockito.version>
     <nextbreakpoint.flink.client.version>1.1.4</nextbreakpoint.flink.client.version>
     <picocli.version>4.7.7</picocli.version>
     <postgres.version>42.7.7</postgres.version>