Bump browserslist from 4.7.3 to 4.8.0 (#3989)

Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.7.3 to 4.8.0.
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/master/CHANGELOG.md)
- [Commits](browserslist/browserslist@4.7.3...4.8.0)

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

package.json

@@ -71,7 +71,7 @@
     "node": "^8.9.0"
   },
   "devDependencies": {
-    "browserslist": "^4.7.3",
+    "browserslist": "^4.8.0",
     "chokidar-cli": "^2.1.0",
     "dotenv": "^8.2.0",
     "eslint": "^6.7.2",