Merge pull request #106495 from tfitzmac/0304armtoc

update arm toc for acronym

Author: GitHubber17

articles/azure-resource-manager/templates/toc.yml

@@ -1,8 +1,8 @@
-- name: Azure Resource Manager template documentation
+- name: ARM template documentation
   href: index.yml
 - name: Overview
   items:
-  - name: What are Azure Resource Manager templates?
+  - name: What are ARM templates?
     href: overview.md
 - name: Quickstarts
   items: