[DM] Changes to image upgrade module

Adding extra parameter to junos ansible module to support same version image upgrade on device.
Closes-Bug: #1786358

Change-Id: Ibcc6382aa7ad408b6ba368f57acf07eb2907870d

src/config/fabric-ansible/ansible-playbooks/roles/image_upgrade_role/tasks/junos_upgrade.yml

@@ -6,6 +6,7 @@
           user: "{{pr_user}}"
           passwd: "{{pr_password}}"
           port: 22
+        version: "{{image_os_version}}"
         remote_package: "{{downloadurl}}"
       register: junos_response
     #  ignore_errors: True