compensation, terms, conditions, or privileges of employment because the employee (or any person acting pursuant to a request of the employee)— (1) provided, caused to be provided, or is about to provide (with any knowledge of the employer) or cause to be provided to the employer or Federal Government information relating to any violation or alleged violation of any order, regulation, or standard of the Federal Aviation Administration or any other provision of Federal law relating to aviation safety under this subtitle or any other law of the United States