Firebase Admin Node.js SDK v5.1.0

• Added the method getUserByPhoneNumber() to the admin.auth interface. This method enables retrieving user profile information by a phone number.
• createUser() and updateUser() methods now accept a phoneNumber property, which can be used to create users with a phone number field and/or update the phone number associated with a user.
• Added the phoneNumber field to admin.auth.UserRecord, which exposes the phone number associated with a user account.
• Added the phoneNumber field to admin.auth.UserInfo, which exposes the phone number associated with a user account by a linked identity provider.