message: fix: fix expand variable for vars with hyphens or dots
  fixes
diff: @@ -512,7 +512,7 @@ export function mergeSimilarMediaTypes(
  export function expandDefaultServerVariables(url: string, variables: object = {}) {
  return url.replace(
  - /(?:{)(\w+)(?:})/g,
  + /(?:{)([\w-.]+)(?:})/g,
  (match, name) => (variables[name] && variables[name].default) || match,
  );
  }
  