chore(deps): bump phin and favicons-webpack-plugin

Removes [phin](https://github.com/ethanent/phin). It's no longer used after updating ancestor dependency [favicons-webpack-plugin](https://github.com/jantimon/favicons-webpack-plugin). These dependencies need to be updated together.


Removes `phin`

Updates `favicons-webpack-plugin` from 2.1.0 to 6.0.1
- [Changelog](https://github.com/jantimon/favicons-webpack-plugin/blob/main/CHANGELOG.md)
- [Commits](jantimon/favicons-webpack-plugin@v2.1.0...v6.0.1)

---
updated-dependencies:
- dependency-name: phin
  dependency-type: indirect
- dependency-name: favicons-webpack-plugin
  dependency-type: direct:development
...

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