JCR-4655: Update mockito dependency to 3.6.28

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1883818 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jackrabbit-parent/pom.xml b/jackrabbit-parent/pom.xml
index 30260f9..107b90e 100644
--- a/jackrabbit-parent/pom.xml
+++ b/jackrabbit-parent/pom.xml
@@ -629,7 +629,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>3.5.11</version>
+        <version>3.6.28</version>
       </dependency>
     </dependencies>
   </dependencyManagement>