Typing Issue with passwordPolicy validatorCallback

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Issue Description

Incorrect passwordPolicy Option validatorCallback typing.

The typing of the validatorCallback is () => void right now.

The spec uses this as () => bool
The rest prototype uses this as (password: string) => bool

Steps to reproduce

Add a passwordPolicy validatorCallback with correct typing:

const validatePassword = (password: string): boolean => {
  console.log('Validating password security');
  return password === 'badpw' ? false : true;
};

Actual Outcome

Type '(password: string) => boolean' is not assignable to type '() => void'.
  Target signature provides too few arguments. Expected 1 or more, but got 0.ts(2322)
index.d.ts(229, 5): The expected type comes from property 'validatorCallback' which is declared here on type 'PasswordPolicyOptions'

Expected Outcome

No typescript error.

Environment

I am using 9.9.0, but this is also on the alpha branch at time of writing.

Server

• Parse Server version: 9.9.0
• Operating system: N/A
• Local or remote host (AWS, Azure, Google Cloud, Heroku, Digital Ocean, etc): Local

Database

• System (MongoDB or Postgres): N/A
• Database version: N/A
• Local or remote host (MongoDB Atlas, mLab, AWS, Azure, Google Cloud, etc): N/A

Client

• SDK (iOS, Android, JavaScript, PHP, Unity, etc): N/A
• SDK version: N/A

Happy to fill those out more if you think it will be helpful!

Logs

Start with types/Options/index.d.ts at the passwordPolicy validatorCallback declaration, then compare it with the usage in spec/PasswordPolicy.spec.js and the callback invocation in src/RestWrite.js. Update the typing so the documented callback usage produces no TypeScript error, and verify the relevant password-policy checks still pass.