Update src/Tools/Shared/CommandLine/CommandLineApplicationExtensions.cs

Author: BrennanConroy

src/Tools/Shared/CommandLine/CommandLineApplicationExtensions.cs

@@ -26,7 +26,7 @@ public static CommandOption Option(this CommandLineApplication command, string t
         => command.Option(
             template,
             description,
-            template.Contains("<")
+            template.Contains('<')
                 ? template.EndsWith(">...", StringComparison.Ordinal) ? CommandOptionType.MultipleValue : CommandOptionType.SingleValue
                 : CommandOptionType.NoValue);