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/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml
index fb55d28..eccc573 100644
--- a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml
@@ -47,13 +47,13 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-            <version>4.4.1</version>
+            <version>${http.client.version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpcore</artifactId>
-            <version>4.4.1</version>
+            <version>${http.core.version}</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>