fix(docker-image): downgrade Python base image and remove pkg_resources

[rialg]

• Downgrade to docker base image to Python 3.11.10, or else replace distutils module (removed in version 3.12)
• Replace setuptools' pkg_resources modules, which was deprecated, with importlib.
• Upgrade lxml module

[rialg]

Hi @mvilanova , could you take a look at these changes? 🙏
Also, do you know when the next release will be available? Is there anything missing that I could help with?

[mvilanova]

Can you fix this?

src/dispatch/common/utils/cli.py:3:46: F401 [*] `importlib.metadata.EntryPoint` imported but unused
  |
1 | import traceback
2 | import logging
3 | from importlib.metadata import entry_points, EntryPoint
  |                                              ^^^^^^^^^^ F401
4 | from sqlalchemy.exc import SQLAlchemyError
  |
  = help: Remove unused import: `importlib.metadata.EntryPoint`