module "passlib" is unmaintained and need to be replaced

[pbiering]

Last release of "passlib" is from 2020, replacement is strongly suggested

• bcrypt: issue reported by AttributeError: module 'bcrypt' has no attribute '__about__' #1350 and fixed with fix for https://github.com/Kozea/Radicale/issues/1350 #1404
• MD5-APR1 (for legacy compatibility reasons)
• SHA-256
• SHA-512

DONE: implement support other method supported nowadays by htpasswd

• SHA-256 (by auth type "htpasswd" extension for SHA256/SHA512 + autodetect feature #1425)
• SHA-512 (by auth type "htpasswd" extension for SHA256/SHA512 + autodetect feature #1425)

DONE: autodetect used method per entry in users instead of hardwiring method for the whole file for smooth migration to secure methods (by #1425)

[pbiering]

found during tests: "passlib" will potentially run into problem with upcoming Python 3.13:

passlib/utils/__init__.py:854: DeprecationWarning: 'crypt' is deprecated and slated for removal in Python 3.13