Chore(deps): Update validate-pyproject requirement from <0.21 to <0.22

[dependabot]

Updates the requirements on validate-pyproject to permit the latest version.

Release notes

Sourced from validate-pyproject's releases.

v0.21

What's Changed

• Added support PEP 735 by @​henryiii in abravalheri/validate-pyproject#208
• Added support PEP 639 by @​henryiii in abravalheri/validate-pyproject#210
• Renamed testing extra to test by @​henryiii in abravalheri/validate-pyproject#212
• General updates in CI setup

Full Changelog: abravalheri/validate-pyproject@v0.20.2...v0.21

Changelog

Sourced from validate-pyproject's changelog.

Version 0.21

• Added support PEP 735, #208
• Added support PEP 639, #210
• Renamed testing extra to test, #212
• General updates in CI setup

Version 0.20

• setuptools plugin:
  • Update setuptools.schema.json, #206

Maintenance and Minor Changes

• Fix misplaced comments on formats.py, #184
• Adopt --import-mode=importlib for pytest to prevent errors with importlib.metadata, #203
• Update CI configs, #195 #202, #204, #205

Version 0.19

• Relax requirements about module names to also allow dash characters, #164
• Migrate metadata to pyproject.toml , #192

Version 0.18

• Allow overwriting schemas referring to the same tool, #175

Version 0.17

• Update version regex according to latest packaging version, #153
• Remove duplicate # ruff: noqa, #158
• Remove invalid top-of-the-file # type: ignore statement, #159
• Align tool.setuptools.dynamic.optional-dependencies with project.optional-dependencies, #170
• Bump min Python version to 3.8, #167

Version 0.16

• Fix setuptools readme field , #116
• Fix oneOf <> anyOf in setuptools schema, #117
• Add previously omitted type keywords for string values, #117
• Add schema validator check, #118
• Add SchemaStore conversion script, #119
• Allow tool(s) to be specified via URL (added CLI option: --tool), #121
• Support uint formats (as used by Ruff's schema), #128
• Allow schemas to be loaded from SchemaStore (added CLI option: --store), #133

Version 0.15

• Update setuptools schema definitions, #112
• Add __repr__ to plugin wrapper, by @​henryiii #114

... (truncated)

Commits

• c0af833 Fix RST syntax in CHANGELOG.rst
• 4ebac0b Update CHANGELOG
• a6a53ae chore: rename testing extra to test (#212)
• cbfc444 feat: support PEP 639 (#210)
• e2f59cb chore: rename testing extra to test
• 41e9e09 feat: support PEP 735 (#208)
• 8ba8e1b Update src/validate_pyproject/extra_validations.py
• d45af1e Update src/validate_pyproject/extra_validations.py
• 1bbf1fb Update src/validate_pyproject/extra_validations.py
• a28deaf fix: also validate existing dependency groups
• Additional commits viewable in compare view

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