JCR-5217: Update Mockito dependency to 5.23.0 (#343)

Author: reschke

jackrabbit-parent/pom.xml

@@ -649,7 +649,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>5.21.0</version>
+        <version>5.23.0</version>
       </dependency>
     </dependencies>
   </dependencyManagement>