You need to reset your password on https://github.ucsb.edu.
Your UCSB GitHub account on https://github.ucsb.edu is tied to your UCSBnetID
If you need to reset your UCSBnetID password, please go to https://im.ucsb.edu/idm/manage and reset it there.
If its the base personal Github account that you are unable to sign into, the the password reset link using your recovery email is: https://github.com/password_reset
It may take a few minutes for the password reset to complete.