Bump serve from 11.2.0 to 11.3.0 (#29932)

Bumps [serve](https://github.com/zeit/serve) from 11.2.0 to 11.3.0.
- [Release notes](https://github.com/zeit/serve/releases)
- [Commits](vercel/serve@11.2.0...11.3.0)

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

package.json

@@ -128,7 +128,7 @@
     "rollup": "^1.27.14",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-istanbul": "^2.0.1",
-    "serve": "^11.2.0",
+    "serve": "^11.3.0",
     "shelljs": "^0.8.3",
     "stylelint": "^12.0.1",
     "stylelint-config-twbs-bootstrap": "^1.0.0",