Bump ecstatic and http-server

Removes [ecstatic](https://github.com/jfhbrook/node-ecstatic). It's no longer used after updating ancestor dependency [http-server](https://github.com/http-party/http-server). These dependencies need to be updated together.


Removes `ecstatic`

Updates `http-server` from 0.12.3 to 14.1.1
- [Release notes](https://github.com/http-party/http-server/releases)
- [Commits](http-party/http-server@v0.12.3...v14.1.1)

---
updated-dependencies:
- dependency-name: ecstatic
  dependency-type: indirect
- dependency-name: http-server
  dependency-type: direct:development
...

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

package.json

@@ -58,7 +58,7 @@
     "file-loader": "^6.2.0",
     "friendly-errors-webpack-plugin": "^1.7.0",
     "html-webpack-plugin": "^3.2.0",
-    "http-server": "^0.12.3",
+    "http-server": "^14.1.1",
     "karma": "^6.4.1",
     "karma-chai-datetime": "^0.1.1",
     "karma-chai-string": "0.0.8",