Replace git.openstack.org URLs with opendev.org URLs

Change-Id: I3655e32d9e9d8cfb9ed85e3d2d28ea9c3c16a470

README.rst

@@ -25,7 +25,7 @@ common Neutron plugins.
 
 * Free software: Apache license
 * Documentation: https://docs.openstack.org/kuryr/latest/
-* Source: https://git.openstack.org/cgit/openstack/kuryr
+* Source: https://opendev.org/openstack/kuryr
 * Bugs: https://bugs.launchpad.net/kuryr
 
 Features
@@ -39,7 +39,7 @@ Getting Code
 
 ::
 
-    $ git clone https://git.openstack.org/openstack/kuryr.git
+    $ git clone https://opendev.org/openstack/kuryr.git
     $ cd kuryr
 
 Prerequisites

tox.ini

@@ -12,7 +12,7 @@ setenv = VIRTUAL_ENV={envdir}
 usedevelop = True
 install_command = pip install {opts} {packages}
 deps =
-       -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+       -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 whitelist_externals = sh