chore(deps-dev): bump autoprefixer from 10.4.19 to 10.4.20 (#311)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.19 to 10.4.20.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.19...10.4.20)

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

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

package.json

@@ -25,7 +25,7 @@
   "devDependencies": {
     "@fullhuman/postcss-purgecss": "^6.0.0",
     "@tailwindcss/typography": "^0.4.1",
-    "autoprefixer": "^10.4.19",
+    "autoprefixer": "^10.4.20",
     "postcss": "^8.4.40",
     "postcss-cli": "^11.0.0",
     "postcss-import": "^16.1.0",