fix(deps): update dependency org.mockito:mockito-core to v5

Author: renovate[bot]

pom.xml

@@ -49,7 +49,7 @@
         <taglibs-standard.version>1.1.2</taglibs-standard.version>
         <junit.version>4.13.2</junit.version>
         <logback.version>1.4.3</logback.version>
-        <mockito.version>1.10.19</mockito.version>
+        <mockito.version>5.21.0</mockito.version>
         <pluto.version>2.1.0-M3</pluto.version>
         <portlet-api.version>2.0</portlet-api.version>
         <resource-server.version>1.0.29</resource-server.version>