fix: bump postcss from 8.4.5 to 8.4.6 (#179)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.5 to 8.4.6.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.5...8.4.6)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: idaho <664101+idaho@users.noreply.github.com>

package.json

@@ -36,7 +36,7 @@
  "hosted-git-info": "4.1.0",
  "normalize-url": "7.0.3",
  "path-parse": "1.0.7",
- "postcss": "8.4.5",
+ "postcss": "8.4.6",
  "trim-newlines": "4.0.2"
  },
  "devDependencies": {