update onboarding http client

as request for security 4.5.3

Change-Id: Ifa5bd1a6f2edef25f7ddb80b0cd4b3bc9b8b874a
Issue-ID: SDC-1319
Signed-off-by: Michael Lando <ml636r@att.com>
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/notifications-fe/pom.xml b/openecomp-be/api/openecomp-sdc-rest-webapp/notifications-fe/pom.xml
index 319b028..b716f98 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/notifications-fe/pom.xml
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/notifications-fe/pom.xml
@@ -137,7 +137,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.3.6</version>
+            <version>${http.client.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.cxf</groupId>