[pgadmin-org/pgadmin4] 0b6b2e: 1) Remove Python's 'Six' package completely. #5357

[Akshay Joshi]

  Branch: refs/heads/master
  Home:   https://github.com/pgadmin-org/pgadmin4
  Commit: 0b6b2e733a67df12d0720a1466829349c6504d19
      
https://github.com/pgadmin-org/pgadmin4/commit/0b6b2e733a67df12d0720a1466829349c6504d19
  Author: Akshay Joshi <akshay.jo...@enterprisedb.com>
  Date:   2022-09-26 (Mon, 26 Sep 2022)

  Changed paths:
    M DEPENDENCIES
    M docs/en_US/release_notes_6_15.rst
    M requirements.txt
    M web/pgadmin/authenticate/internal.py
    M web/pgadmin/authenticate/mfa/registry.py
    M web/pgadmin/browser/__init__.py
    M web/pgadmin/browser/collection.py
    M web/pgadmin/browser/server_groups/__init__.py
    M web/pgadmin/misc/bgprocess/processes.py
    M web/pgadmin/misc/cloud/azure/azure_cache.py
    M web/pgadmin/tools/sqleditor/command.py
    M web/pgadmin/utils/driver/abstract.py
    M web/pgadmin/utils/dynamic_registry/tests/registry/__init__.py
    M web/pgadmin/utils/dynamic_registry/tests/registry/registry.py
    M web/pgadmin/utils/route.py

  Log Message:
  -----------
  1) Remove Python's 'Six' package completely. #5357
2) Replace deprecated @abstractproperty with @property, @abstractmethod.