Password checks:

replace cryptography package with cryptography_plus

format to the latest dart format

remove library name

update packages and version

upgrade lints to 4.0.0

codecov: add token and slug

fix dependencies tool

fix comments according to modern linter

upgrade lints package

update actions to v4

update SDK, cryptography and bump the version to 3.1.5

dart 3 support

update CONTRIBUTING.md

update CHANGELOG