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: I3be8e9e27bcba824012299f320d7f9389caba7ed

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-containers-functional.yml

@@ -105,7 +105,7 @@
           - "'foo=bar' in environment_content"
 
     - name: Test connectivity to external address
-      command: ping -i 5 -c 6 git.openstack.org
+      command: ping -i 5 -c 6 opendev.org
       register: ping_external_address
       failed_when: false
       tags: