Bump http-server from 0.12.0 to 0.12.1 (erickzhao#79)

Bumps [http-server](https://github.com/http-party/http-server) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/http-party/http-server/releases)
- [Commits](http-party/http-server@v0.12.0...v0.12.1)

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

package.json

@@ -33,7 +33,7 @@
     "file-loader": "^5.0.2",
     "glob": "^7.1.6",
     "html-webpack-plugin": "^3.0.0",
-    "http-server": "^0.12.0",
+    "http-server": "^0.12.1",
     "mini-css-extract-plugin": "^0.8.0",
     "node-sass": "^4.13.0",
     "optimize-css-assets-webpack-plugin": "^5.0.3",