Update view-merged-configuration : update command (#7052)

Fix command to dotnet-monitor

documentation/configuration/view-merged-configuration.md

@@ -54,5 +54,5 @@ Tell us about your experience with dotnet monitor: https://aka.ms/dotnet-monitor
 To view the loaded configuration providers, run the following command:
 
 ```cmd
-dotnet monitor config show --show-sources
+dotnet-monitor config show --show-sources
 ```