Bump the all-dependencies group in /sites with 3 updates (#1030)

Bumps the all-dependencies group in /sites with 3 updates: [@csstools/css-calc](https://github.com/csstools/postcss-plugins/tree/HEAD/packages/css-calc), [@csstools/css-color-parser](https://github.com/csstools/postcss-plugins/tree/HEAD/packages/css-color-parser) and [postcss-preset-env](https://github.com/csstools/postcss-plugins/tree/HEAD/plugin-packs/postcss-preset-env).


Updates `@csstools/css-calc` from 1.1.1 to 1.1.2
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/packages/css-calc/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/packages/css-calc)

Updates `@csstools/css-color-parser` from 1.2.1 to 1.2.2
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/packages/css-color-parser/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/packages/css-color-parser)

Updates `postcss-preset-env` from 8.5.1 to 9.0.0
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/plugin-packs/postcss-preset-env/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/plugin-packs/postcss-preset-env)

---
updated-dependencies:
- dependency-name: "@csstools/css-calc"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: "@csstools/css-color-parser"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: postcss-preset-env
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: all-dependencies
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>