message: fix: Verifier now accepts explicitly setting options to undefined (it will ignore and warn). This fixes a regression introduced in beta-45
diff: @@ -14,6 +14,12 @@ export const argumentMapper = <PactOptions>(
  }
  return [];
  }
  + if (options[key] === undefined) {
  + logger.warn(
  + `The Verifier option '${key}' was was explicitly set to undefined and will be ignored. This may indicate an error in your config. Remove the option entirely to prevent this warning`
  + );
  + return [];
  + }
  if (argMapping[key].warningMessage) {
  logger.warn(argMapping[key].warningMessage);
  return [];
  