Bump ansi-html and webpack-hot-middleware

Removes [ansi-html](https://github.com/Tjatse/ansi-html). It's no longer used after updating ancestor dependency [webpack-hot-middleware](https://github.com/webpack-contrib/webpack-hot-middleware). These dependencies need to be updated together.


Removes `ansi-html`

Updates `webpack-hot-middleware` from 2.25.0 to 2.25.2
- [Release notes](https://github.com/webpack-contrib/webpack-hot-middleware/releases)
- [Commits](webpack/webpack-hot-middleware@v2.25.0...v2.25.2)

---
updated-dependencies:
- dependency-name: ansi-html
  dependency-type: indirect
- dependency-name: webpack-hot-middleware
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]