Update the documentation link for doc migration
Update the link  of microversion guideline for manila in file
versions.inc
@@ -19,7 +19,7 @@ Systems API:
``X-OpenStack-Manila-API-Version`` header
Read more about microversion guidelines that the service adheres to `here
-<https://docs.openstack.org/manila/latest/devref/api_microversion_dev.html>`_
+<https://docs.openstack.org/manila/latest/contributor/api_microversion_dev.html>`_
List All Major Versions
