Fix another {{ModuleNamePlaceHolder}} in .pds1 (#26272)

* fixing description for Az.Terraform

* update changelog

* fixed another `{{ModuleNamePlaceHolder}}`

---------

Co-authored-by: zhenteng <[email protected]>

Author: ziyeqf

src/Terraform/Terraform/Az.Terraform.psd1

@@ -97,7 +97,7 @@ PrivateData = @{
     PSData = @{
 
         # Tags applied to this module. These help with module discovery in online galleries.
-        Tags = 'Azure', 'ResourceManager', 'ARM', 'PSModule', '{ModuleNamePlaceHolder}'
+        Tags = 'Azure', 'ResourceManager', 'ARM', 'PSModule', 'Terraform'
 
         # A URL to the license for this module.
         LicenseUri = 'https://aka.ms/azps-license'