Add option to selectively disable deprecation warnings

[cdce8p]

Suggested in #18192 (comment)

Fixes #18435

[github-actions]

Diff from mypy_primer, showing the effect of this PR on open source code:

django-stubs (https://github.com/typeddjango/django-stubs): 1.44x faster (35.2s -> 24.4s in a single noisy sample)

[tyralla]

Thanks for implementing this! I think it should close #18435. I only left a very minor remark.

[tyralla]

Maybe end with ";" instead of ","?

[cdce8p]

Tbh I mostly copied the contents from the untyped_calls_exclude option. So I'd leave it as is. https://mypy.readthedocs.io/en/stable/config_file.html#confval-untyped_calls_exclude

[cdce8p]

Thanks for implementing this! I think it should close #18435.

Yeah, added it to the PR description.

Btw. I'm open to suggestion for a better option name. deprecated_calls_exclude works but doesn't sound that good IMO. Although I suspect it's primarily going to be used in config files, so it might not matter much.

[hauntsaninja]

Cool, want to make a changelog entry as well?

[cdce8p]

Cool, want to make a changelog entry as well?

Yeah, let's do that in a followup if that's all right. I've a few more topics in mind for already merged PRs. E.g. different property getter / setter types, stubgen decorator improvements, mypyc support for frozenset.