Update dependency org.mockito:mockito-core to v5.15.2 (#349)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

pom.xml

@@ -172,7 +172,7 @@
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
             <scope>test</scope>
-            <version>5.14.2</version>
+            <version>5.15.2</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>