Fix two links in the docs pointing to repo on github (moved to opendev)

Change-Id: I793251519a5da0e3d1225673c9b3394e738f4336
Signed-off-by: Radosław Piliszek <radoslaw.piliszek@gmail.com>

doc/source/configuration/kayobe.rst

@@ -62,7 +62,7 @@ variables.
 Configuring Kayobe
 ==================
 
-The `kayobe-config <https://github.com/openstack/kayobe-config>`_ git
+The `kayobe-config <https://opendev.org/x/kayobe-config>`_ git
 repository contains a Kayobe configuration directory structure and unmodified
 configuration files.  This repository can be used as a mechanism for version
 controlling Kayobe configuration.  As Kayobe is updated, the configuration

doc/source/upgrading.rst

@@ -79,7 +79,7 @@ Migrating Kayobe Configuration
 
 Kayobe configuration options may be changed between releases of kayobe. Ensure
 that all site local configuration is migrated to the target version format. If
-using the `kayobe-config <https://github.com/openstack/kayobe-config>`_ git
+using the `kayobe-config <https://opendev.org/x/kayobe-config>`_ git
 repository to manage local configuration, this process can be managed via git.
 For example, to fetch version 1.0.0 of the configuration from the ``origin``
 remote and merge it into the current branch::