How can I turn off my screen time password without the password

See If you have forgotten your Screen Time passcode linked above.

and Use Screen Time on your iPhone, iPad or iPod touch:

To change or turn off the passcode on your child's device, go to Settings > Screen Time and tap your child's name. Then tap Change Screen Time Passcode or Turn Off Screen Time Passcode and authenticate the change with Face ID, Touch ID or your device passcode.

I can’t turn of screen time for my child and I forgot the password

I phone 8 reset data erease screen time password change for get password but no change the screen time password 24 attempts fail