Bump postcss from 8.1.7 to 8.2.10 (#842)

Bumps [postcss](https://github.com/postcss/postcss) from 8.1.7 to 8.2.10.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.1.7...8.2.10)

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

Author: dependabot[bot]

package.json

@@ -44,7 +44,7 @@
     "just-group-by": "^1.0.0",
     "minimatch": "^3.0.4",
     "next": "^10.0.1",
-    "postcss": "^8.1.7",
+    "postcss": "^8.2.10",
     "postcss-focus-visible": "^5.0.0",
     "postcss-import": "^14.0.1",
     "postcss-nested": "^4.2.3",