Bump autoprefixer from 10.4.13 to 10.4.18

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.13 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@10.4.13...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

@@ -21,7 +21,7 @@
     "@fullhuman/postcss-purgecss": "^5.0.0",
     "@vue/compiler-sfc": "^3.3.2",
     "api-spec-converter": "^2.12.0",
-    "autoprefixer": "^10.4.13",
+    "autoprefixer": "^10.4.18",
     "css-loader": "^6.10.0",
     "eslint": "^8.28.0",
     "eslint-config-standard": "^17.0.0",