add: gssapi support

[Mastermind-U]

No description provided.

[Copilot]

Pull Request Overview

This PR adds the first working version for GSSAPI integration into the LDAP client using SASL bind, providing necessary dependency updates, example usage, and Docker configuration.

• Added the "gssapi" dependency in pyproject.toml.
• Introduced a new gssapi_example function in main.py demonstrating GSSAPI usage.
• Updated aioldap3.py with SASL GSSAPI support and integrated channel bindings.

Reviewed Changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

File	Description
pyproject.toml	Added dependency for gssapi and removed some mypy plugins.
main.py	Implemented a GSSAPI example using the new aioldap3 module.
docker-compose.yml	Configured container settings for the aioldap service.
aioldap3.py	Added SASL GSSAPI functions, channel bindings support, and updated SASL flow.

Files not reviewed (1)

• Dockerfile: Language not supported

Comments suppressed due to low confidence (1)

aioldap3.py:865

• [nitpick] The function name 'proccess_end_token' is misspelled; consider renaming it to 'process_end_token' for improved clarity.

def proccess_end_token(self, token: bytes) -> bytearray:

[Mastermind-U]

Мёрдж временно приостановлен из за невостребованности фичи