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

Change-Id: I7d8234f0a4a08844e746246b3f9c5b8a436c435b

README.rst

@@ -12,17 +12,17 @@ mistral-lib
 ===========
 
 This library contains data types, exceptions, functions and utilities common to
-Mistral, python-mistralclient and mistral-extra repositories.  This library also
+Mistral, python-mistralclient and mistral-extra repositories. This library also
 contains the public interfaces for 3rd party integration (e.g. Actions API, YAQL
 functions API, etc.)
 
 If you want to use OpenStack in your custom actions or functions, you will also
-need to use http://git.openstack.org/cgit/openstack/mistral-extra .
+need to use http://opendev.org/openstack/mistral-extra.
 
 * Free software: Apache license
-* Documentation: http://docs.openstack.org/developer/mistral
-* Source: http://git.openstack.org/cgit/openstack/mistral-lib
-* Bugs: http://bugs.launchpad.net/mistral
+* Documentation: https://docs.openstack.org/mistral/latest/
+* Source: https://opendev.org/openstack/mistral-lib
+* Bugs: https://bugs.launchpad.net/mistral
 
 Features
 --------

tox.ini

@@ -11,7 +11,7 @@ setenv = VIRTUAL_ENV={envdir}
          PYTHONWARNINGS=default::DeprecationWarning
 passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt}
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
 commands =