.pre-commit-config.yaml updated with ruff

[L77H]

Description of the changes being introduced by the pull request:

• isort removed from pre-commit
• black removed rom pre-commit
• ruff added to pre-commit
• ruff-format added to pre-commit

see also: https://github.com/astral-sh/ruff-pre-commit

Fixes #831

[jku]

Nice. I wonder if this should run ruff with --fix?

I dont use pre-commit so I'm not sure

[L77H]

As I understand when using --fix it immediately fixes any fixable errors, while without --fix it just outputs the linting errors. see: https://docs.astral.sh/ruff/linter/#ruff-check

It would be a good idea to include it and run ruff-format after, as the ruff format should never introduce new linting errors.

[jku]

Looks good to me but I'll let Lukas approve this next week as I think he uses pre-commit

[lukpueh]

Thanks for the patch, @L77H! I'm okay, if we remove the pre-commit config entirely as discussed here: #734

[L77H]

I have removed the pre-commit config file entirely.

[jku]

thanks!