Rename review.openstack.org to review.opendev.org

There are many references to review.openstack.org, and while the
redirect should work, we can also go ahead and fix them.

Change-Id: I12adeeb24252b3c86f22bc56f99a26aeeff2ea4d

doc/source/devref/kuryr_mitaka_milestone.rst

@@ -66,13 +66,13 @@ This list of items will need to be prioritized.
    (Used for nested VM's defining trunk port and sub-ports)
 
    DNS resolution according to port name
-   (https://review.openstack.org/#/c/90150/)
+   (https://review.opendev.org/#/c/90150/)
    (Needed for feature compatibility with Docker services publishing)
 
 8) Mapping between Neutron identifiers and Docker identifiers
 
    A new spec in Neutron is being proposed that we can
-   leverage for this use case: `Adding tags to resources <https://review.openstack.org/#/c/216021/>`_ .
+   leverage for this use case: `Adding tags to resources <https://review.opendev.org/#/c/216021/>`_ .
    Tags are similar in concept to Docker labels.
 
 9) Testing (CI)

doc/source/specs/newton/kuryr_k8s_integration.rst

@@ -298,6 +298,6 @@ References
 .. [2] http://kubernetes.io/docs/api/
 .. [3] http://kubernetes.io/docs/admin/networking/#kubernetes-model
 .. [4] https://docs.google.com/document/d/1qAm-_oSap-f1d6a-xRTj6xaH1sYQBfK36VyjB5XOZug
-.. [5] https://review.openstack.org/#/c/290172/
+.. [5] https://review.opendev.org/#/c/290172/
 .. [6] https://github.com/appc/cni/blob/master/SPEC.md
 .. [7] https://blueprints.launchpad.net/kuryr/+spec/kuryr-cni-plugin

doc/source/specs/newton/nested_containers.rst

@@ -528,7 +528,7 @@ corresponding details.
 References
 ==========
 
-[1] https://review.openstack.org/#/c/204686/7
+[1] https://review.opendev.org/#/c/204686/7
 
 [2] http://specs.openstack.org/openstack/neutron-specs/specs/mitaka/vlan-aware-vms.html