chore(deps): update dependency org.mockito:mockito-core to v5.21.0

Author: renovate[bot]

pom.xml

@@ -381,7 +381,7 @@
         <dependency>
           <groupId>org.mockito</groupId>
           <artifactId>mockito-core</artifactId>
-          <version>5.20.0</version>
+          <version>5.21.0</version>
           <scope>test</scope>
         </dependency>
         <dependency>