Change confusing enpoint name

Since the actual port is 5003, it would make sense to name it local-5003 instead of local-8082

Signed-off-by: Florentin Raud <florentin.raud@gmail.com>

cmd/registry/config.yml

@@ -42,7 +42,7 @@ redis:
   writetimeout: 10ms
 notifications:
     endpoints:
-        - name: local-8082
+        - name: local-5003
           url: http://localhost:5003/callback
           headers:
              Authorization: [Bearer <an example token>]