Bump autoprefixer from 10.4.17 to 10.4.18

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.17 to 10.4.18.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.17...10.4.18)

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

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

package.json

@@ -71,7 +71,7 @@
     "@rollup/plugin-babel": "^6.0.4",
     "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-replace": "^5.0.5", 
-    "autoprefixer": "^10.4.16",
+    "autoprefixer": "^10.4.18",
     "babel-plugin-istanbul": "^6.1.1",
     "bootstrap": "^5.3.2",
     "clean-css-cli": "^5.6.3",