Bump autoprefixer from 9.7.6 to 9.8.0

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.7.6 to 9.8.0.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.7.6...9.8.0)

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

package.json

@@ -9,7 +9,7 @@
     "@babel/plugin-transform-modules-amd": "^7.9.6",
     "@babel/polyfill": "^7.8.7",
     "@babel/preset-env": "^7.8.6",
-    "autoprefixer": "^9.7.6",
+    "autoprefixer": "^9.8.0",
     "babel-loader": "^8.0.6",
     "browser-sync": "^2.26.7",
     "clean-webpack-plugin": "^3.0.0",