Downgrade Mockito version to 4.11.0

Author: slachiewicz

pom.xml

@@ -270,12 +270,12 @@ under the License.
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>5.21.0</version>
+        <version>4.11.0</version>
       </dependency>
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-junit-jupiter</artifactId>
-        <version>5.21.0</version>
+        <version>4.11.0</version>
       </dependency>
       <dependency>
         <groupId>org.xmlunit</groupId>