Bump autoprefixer from 10.3.7 to 10.4.0 (#782)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.3.7 to 10.4.0.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.3.7...10.4.0)

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

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

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

package.json

@@ -25,7 +25,7 @@
 		"@arkweid/lefthook": "^0.7.7",
 		"@wordpress/prettier-config": "^1.1.0",
 		"@wordpress/scripts": "^19.0.0",
-		"autoprefixer": "^10.3.7",
+		"autoprefixer": "^10.4.0",
 		"browser-sync": "^2.27.7",
 		"clean-webpack-plugin": "^4.0.0",
 		"copy-webpack-plugin": "^9.0.1",