Fix powershell-lts verrification command

changed pwsh to pwsh-lts

Author: bharathalleni

reference/docs-conceptual/install/Installing-PowerShell-on-macOS.md

@@ -93,7 +93,7 @@ brew install powershell/tap/powershell-lts
 You can now verify your install
 
 ```sh
-pwsh
+pwsh-lts
 ```
 
 When new versions of PowerShell are released, run the following command.