Fix ApiCompat.Tool execution

[ViktorHofer]

Regressed with #32964

Fixes #34405

Unhandled exception. System.ArgumentException: Names and aliases cannot contain whitespace: "If true, preserves unnecessary suppressions when re-generating the suppression file." (Parameter 'alias')
   at System.CommandLine.CliSymbol.ThrowIfEmptyOrWithWhitespaces(String value, String paramName, Boolean canContainWhitespaces)
   at System.CommandLine.AliasSet..ctor(String[] aliases)
   at System.CommandLine.CliOption..ctor(String name, String[] aliases)
   at System.CommandLine.CliOption`1..ctor(String name, String[] aliases, CliArgument`1 argument)
   at System.CommandLine.CliOption`1..ctor(String name, String[] aliases)
   at Microsoft.DotNet.ApiCompat.Tool.Program.Main(String[] args) in /_/src/ApiCompat/Microsoft.DotNet.ApiCompat.Tool/Program.cs:line 27