Bump mypy from 1.2.0 to 1.6.0

[dependabot[bot]]

Bumps mypy from 1.2.0 to 1.6.0.

Commits

• ac2d56f Remove +dev from version
• 5b488ab Optimize Unpack for failures (#15967)
• 4c963c9 Make PEP 695 constructs give a reasonable error message (#16013)
• e78df55 Match note error codes to import error codes (#16004)
• d376633 Fix mypyc regression with pretty (#16124)
• 00cba13 Clear cache when adding --new-type-inference (#16059)
• b33373c Try upgrading tox (#15992)
• 807bd39 Fix ParamSpec inference for callback protocols (#15986)
• d7b2451 Fixes to stubtest's new check for missing stdlib modules (#15960)
• efecd59 Support user defined variadic tuple types (#15961)
• Additional commits viewable in compare view

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[dependabot[bot]]

Looks like mypy is up-to-date now, so this is no longer needed.