Bump postcss from 8.2.8 to 8.2.10

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.8 to 8.2.10.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.2.8...8.2.10)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -35,7 +35,7 @@
     "html-webpack-plugin": "^5.3.1",
     "husky": "^5.1.3",
     "mini-css-extract-plugin": "^1.3.9",
-    "postcss": "^8.2.8",
+    "postcss": "^8.2.10",
     "postcss-browser-reporter": "^0.6.0",
     "postcss-cli": "^8.3.1",
     "postcss-color-function": "^4.0.1",