chore: Bump autoprefixer from 10.4.19 to 10.4.20 (#873)

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](https://github.com/postcss/autoprefixer/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -13,7 +13,7 @@
   "devDependencies": {
     "@babel/core": "^7.25.2",
     "@babel/preset-env": "^7.25.3",
-    "autoprefixer": "^10.4.19",
+    "autoprefixer": "^10.4.20",
     "braces": "^3.0.3",
     "browser-sync": "^3.0.2",
     "child_process": "^1.0.2",