Update dependency chardet to v5

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
chardet	packages	major	==4.0.0 -> ==5.1.0

---

Release Notes

chardet/chardet

v5.1.0

Compare Source

Features

• Add should_rename_legacy argument to most functions, which will rename older encodings to their more modern equivalents (e.g., GB2312 becomes GB18030) (#​264, @​dan-blanchard)
• Add capital letter sharp S and ISO-8859-15 support (#​222, @​SimonWaldherr)
• Add a prober for MacRoman encoding (#​5 updated as c292b52, Rob Speer and @​dan-blanchard )
• Add --minimal flag to chardetect command (#​214, @​dan-blanchard)
• Add type annotations to the project and run mypy on CI (#​261, @​jdufresne)
• Add support for Python 3.11 (#​274, @​hugovk)

Fixes

• Clarify LGPL version in License trove classifier (#​255, @​musicinmybrain)
• Remove support for EOL Python 3.6 (#​260, @​jdufresne)
• Remove unnecessary guards for non-falsey values (#​259, @​jdufresne)

Misc changes

• Switch to Python 3.10 release in GitHub actions (#​257, @​jdufresne)
• Remove setup.py in favor of build package (#​262, @​jdufresne)
• Run tests on macos, Windows, and 3.11-dev (#​267, @​dan-blanchard)

v5.0.0

Compare Source

⚠️ This release is the first release of chardet that no longer supports Python < 3.6 ⚠️

In addition to that change, it features the following user-facing changes:

• Added a prober for Johab Korean (#​207, @​grizlupo)
• Added a prober for UTF-16/32 BE/LE (#​109, #​206, @​jpz)
• Added test data for Croatian, Czech, Hungarian, Polish, Slovak, Slovene, Greek, and Turkish, which should help prevent future errors with those languages
• Improved XML tag filtering, which should improve accuracy for XML files (#​208)
• Tweaked SingleByteCharSetProber confidence to match latest uchardet (#​209)
• Made detect_all return child prober confidences (#​210)
• Updated examples in docs (#​223, @​domdfcoding)
• Documentation fixes (#​212, #​224, #​225, #​226, #​220, #​221, #​244 from too many to mention)
• Minor performance improvements (#​252, @​deedy5)
• Add support for Python 3.10 when testing (#​232, @​jdufresne)
• Lots of little development cycle improvements, mostly thanks to @​jdufresne

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, click this checkbox.