chore(deps-dev): update chardet requirement from <6 to <7 in the cookiecutter group

[dependabot]

Updates the requirements on chardet to permit the latest version.
Updates chardet to 6.0.0.post1

Release notes

Sourced from chardet's releases.

6.0.0.post1

• Fixed version number in chardet/version.py still being set to 6.0.0dev0. Otherwise identical to 6.0.0.

Changelog

Sourced from chardet's changelog.

6.0.0.post1 (2026-02-22)

• Fixed __version__ not being set correctly in the package (Dan Blanchard <https://github.com/dan-blanchard>_)

6.0.0 (2026-02-22)

Features:

• Unified single-byte charset detection with proper language-specific bigram models for all single-byte encodings (replaces Latin1Prober and MacRomanProber heuristics) (Dan Blanchard <https://github.com/dan-blanchard>_)
• 38 new languages: Arabic, Belarusian, Breton, Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Farsi, Finnish, French, German, Icelandic, Indonesian, Irish, Italian, Kazakh, Latvian, Lithuanian, Macedonian, Malay, Maltese, Norwegian, Polish, Portuguese, Romanian, Scottish Gaelic, Serbian, Slovak, Slovene, Spanish, Swedish, Tajik, Ukrainian, Vietnamese, Welsh (Dan Blanchard <https://github.com/dan-blanchard>_)
• EncodingEra filtering via new encoding_era parameter (Dan Blanchard <https://github.com/dan-blanchard>_)
• max_bytes and chunk_size parameters for detect(), detect_all(), and UniversalDetector (Dan Blanchard <https://github.com/dan-blanchard>_)
• -e/--encoding-era CLI flag (Dan Blanchard <https://github.com/dan-blanchard>_ via Claude)
• EBCDIC detection (CP037, CP500) (Dan Blanchard <https://github.com/dan-blanchard>_)
• Direct GB18030 support (replaces redundant GB2312 prober) (Dan Blanchard <https://github.com/dan-blanchard>_)
• Binary file detection (Dan Blanchard <https://github.com/dan-blanchard>_)
• Python 3.12, 3.13, and 3.14 support (Hugo van Kemenade <https://github.com/hugovk>, [#283](https://github.com/chardet/chardet/issues/283) <https://github.com/chardet/chardet/pull/283>)
• GitHub Codespaces support (oxygen dioxide <https://github.com/oxygen-dioxide>, [#312](https://github.com/chardet/chardet/issues/312) <https://github.com/chardet/chardet/pull/312>)

Breaking changes:

• Dropped Python 3.7, 3.8, and 3.9 (requires Python 3.10+)
• Removed Latin1Prober and MacRomanProber
• Removed EUC-TW support
• Removed LanguageFilter.NONE
• detect() default changed to encoding_era=EncodingEra.MODERN_WEB

... (truncated)

Commits

• 2fa72d8 Update version to 6.0.0.post1
• 8a4636b docs: modernize usage examples and reorganize table of contents
• 20da71e docs: fix copyright start year and remove first-person reference
• b45ae91 docs: update copyright to 2015-2026 chardet contributors
• 3f9910d Add .readthedocs.yaml to fix RTD builds
• 7ef7cd0 Fix pyright type errors in chardetect.py and test.py
• 4025dfa Update documentation for 6.0.0 release
• 1170829 Add LEGACY_REGIONAL encoding era and reclassify misplaced encodings
• 19379ac Add --encoding-era CLI flag and improve heuristic selection
• 61308e2 Pre-release fixes: bump to 6.0.0, fix get_charset crash, cleanup
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
chardet	[>= 7.dev0, < 8]

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[roger-zhangg]

@dependabot ignore chardet major version

[dependabot]

OK, I won't notify you about version 6.x.x of chardet again, unless you unignore it.