Bump @types/browserslist from 4.8.0 to 4.15.0

Bumps [@types/browserslist](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/browserslist) from 4.8.0 to 4.15.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/browserslist)

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

package.json

@@ -163,7 +163,7 @@
     "@stylelint/prettier-config": "^2.0.0",
     "@stylelint/remark-preset": "^1.0.0",
     "@types/balanced-match": "^1.0.1",
-    "@types/browserslist": "^4.8.0",
+    "@types/browserslist": "^4.15.0",
     "@types/debug": "^4.1.5",
     "@types/file-entry-cache": "^5.0.1",
     "@types/global-modules": "^2.0.0",