Use -@ instead of -s as short version of --include-version

Author: 0xced

src/nugraph/GraphCommandSettings.cs

@@ -84,7 +84,7 @@ internal sealed class GraphCommandSettings : CommandSettings
     [DefaultValue(DefaultTitle)]
     public string Title { get; set; } = "";
 
-    [CommandOption("-s|--include-version")]
+    [CommandOption("-@|--include-version")]
     [Description("Include package versions in the dependency graph nodes, e.g. [b][email protected][/] instead of [b]Serilog[/]")]
     [DefaultValue(false)]
     public bool GraphIncludeVersions { get; init; }