Merge pull request #65590 from kalexand-rh/ms_name

updating MicroShift name for previews

Author: kalexand-rh

_distro_map.yml

@@ -281,7 +281,7 @@ openshift-acs:
       name: '4.2'
       dir: acs/4.2
 microshift:
-  name: MicroShift
+  name: Red Hat build of MicroShift
   author: OpenShift Documentation Project <[email protected]>
   site: commercial
   site_name: Documentation