.sync/Version.njk: Update to Mu DevOps v12.2.0

See the following comparison for details of the changes
between these releases:

v12.0.2...v12.2.0

Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>

.sync/Version.njk

@@ -30,7 +30,7 @@
 #}
 
 {# The git ref value that files dependent on this repo will use. #}
-{% set mu_devops = "v12.0.2" %}
+{% set mu_devops = "v12.2.0" %}
 
 {# The latest Project Mu release branch value. #}
 {% set latest_mu_release_branch = "release/202405" %}