Update dependency flake8-bugbear to v21.11.29

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
flake8-bugbear (changelog)	==21.4.3 -> ==21.11.29

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Release Notes

PyCQA/flake8-bugbear (flake8-bugbear)

v21.11.29

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• B018: Disable strings from check for now (#​209)

v21.11.28

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• B904: ensure the raise is in the same context with the except (#​191)
• Add Option to extend the list of immutable calls (#​204)
• Update B014: binascii.Error is now treated as a subclass of ValueError (#​206)
• add simple pre-commit config (#​205)
• Test with 3.10 official
• Add B018 check to find useless declarations (#​196, #​202)

v21.9.2

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• Fix crash on call in except statement in _to_name_str (#​187)
• Update B006: list, dictionary, and set comprehensions are now also disallowed (#​186)

v21.9.1

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• Update B008: Whitelist more immutable function calls (#​173)
• Remove Python Compatibility Warnings (#​182)
• Add B904: check for raise without from in an except clause (#​181)
• Add Python 3.10 tests to ensure we pass (#​183)

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