Bump autoprefixer from 10.4.2 to 10.4.13

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.2 to 10.4.13.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.2...10.4.13)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@lodder/grunt-postcss": "3.1.1",
     "@squoosh/cli": "0.7.2",
-    "autoprefixer": "10.4.2",
+    "autoprefixer": "10.4.13",
     "cssnano": "5.1.14",
     "grunt": "1.5.3",
     "grunt-cli": "1.4.3",