chore(deps-dev): bump postcss from 7.0.35 to 8.2.6

Bumps [postcss](https://github.com/postcss/postcss) from 7.0.35 to 8.2.6.
- [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/7.0.35...8.2.6)

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

package.json

@@ -26,7 +26,7 @@
     "@nuxtjs/tailwindcss": "3.4.2",
     "autoprefixer": "^10.2.4",
     "css-loader": "^5.0.0",
-    "postcss": "^7.0.32",
+    "postcss": "^8.2.6",
     "postcss-import": "^13.0.0",
     "postcss-loader": "^5.0.0",
     "postcss-url": "^10.1.1",