This updates the following dependencies to their latest versions:
- `chalk`
- `cssnano`
- `dotenv`
- `grunt-contrib-cssmin`
- `grunt-contrib-qunit`
- `grunt-webpack`
- `jest-image-snapshot`
- `postcss`
- `sass`
- `sinon`
- `webpack`
Additionally, `npm audit fix` has been run to automatically fix as many issues as possible.
See #58863.
Built from https://develop.svn.wordpress.org/trunk@56390
git-svn-id: http://core.svn.wordpress.org/trunk@55902 1a063a9b-81f0-0310-95a4-ce76da25c4cd
