Replace git.openstack.org with opendev.org

This patch replaces git.openstack.org with opendev.org as redirection
from old path was enabled.

Change-Id: I0877731deb4816960b47a8c76eee64171dee5b44

releasenotes/source/conf.py

@@ -64,7 +64,7 @@ title = 'OpenStack-Ansible Release Notes: ' + role_name + 'role'
 
 # The link to the browsable source code (for the left hand menu)
 oslosphinx_cgit_link = (
-    "https://git.openstack.org/cgit/openstack/{}".format(target_name)
+    "https://opendev.org/openstack/{}".format(target_name)
 )
 
 # Release notes do not need a version number in the title, they

tests/test-repo-server-functional.yml

@@ -48,7 +48,7 @@
 
     - name: Clone repo for testing
       git:
-        repo: "https://git.openstack.org/openstack/openstack-ansible-repo_server"
+        repo: "https://opendev.org/openstack/openstack-ansible-repo_server"
         dest: /var/www/repo/openstackgit/repo_server
         version: master