Updating version to be 4.0.2

Author: itsshivaverma

ml-data-hub-plugin/gradle.properties

@@ -12,7 +12,7 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
-mlDHFVersion=4.0.1
+mlDHFVersion=4.0.2
 mlHost=localhost
 mlAppName=data-hub