Changed the password input type to password using getpass.getpass()
Changed the password input type from plain text (which echoed the characters) to a password field via importing the getpass function.
Also updated the prompts to indicate the CJS user/pass is being requested.
For issue https://gitlab.com/opentennessee/clean-slate/-/issues/22 (apologies that I didn't do the right linking of the MR and Issue ahead of time)