chore(deps-dev): bump postcss from 8.4.33 to 8.4.34

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.33 to 8.4.34.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.33...8.4.34)

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

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

package.json

@@ -26,7 +26,7 @@
     "@fullhuman/postcss-purgecss": "^5.0.0",
     "@tailwindcss/typography": "^0.4.1",
     "autoprefixer": "^10.4.17",
-    "postcss": "^8.4.33",
+    "postcss": "^8.4.34",
     "postcss-cli": "^11.0.0",
     "postcss-import": "^16.0.0",
     "prettier": "^2.2.1",