Update Version.njk to prepare for 15.0.1 release (#451)

Need a 15.0.1 release so that the syncer will update all
MuDevopsWrapper.yml to 15.0.1

Author: Javagedes

.sync/Version.njk

@@ -30,7 +30,7 @@
 #}
 
 {# The git ref value that files dependent on this repo will use. #}
-{% set mu_devops = "v15.0.0" %}
+{% set mu_devops = "v15.0.1" %}
 
 {# The latest Project Mu release branch value. #}
 {% set latest_mu_release_branch = "release/202502" %}