This updates several NPM dependencies to the latest versions, including:
- `check-node-version` from `4.1.0` to `4.2.1`.
- `dotenv` from `10.0.0` to `16.0.0`.
- `dotenv-expand` from `5.1.0` to `8.0.3`.
- `grunt-contrib-concat` from `2.0.0` to `2.1.0`.
- `grunt-contrib-jshint` from `3.1.1` to `3.2.0`.
- `grunt-contrib-uglify` from `5.0.1` to `5.1.0`.
- `qunit` from `2.17.2` to `2.18.1`.
- `sass` from `1.43.4` to `1.50.0`.
- `sinon` from `12.0.1` to `13.0.1`.
- `sinon-test` from `3.1.1` to `3.1.3`.
- `uglify-js` from `3.14.3` to `3.15.3`.
- `wait-on` from `6.0.0` to `6.0.1`.
The updates to `dotenv` and `dotenv-expand` required a minor change to files using these packages.
Additionally, this contains several updates to the `package-lock.json` file as a result of running `npm audit fix`.
See #54727.
Built from https://develop.svn.wordpress.org/trunk@53113
git-svn-id: http://core.svn.wordpress.org/trunk@52702 1a063a9b-81f0-0310-95a4-ce76da25c4cd
* This moves our "development" versions from .dev.js to .js (same for css).
* The compressed version then moves from .js to .min.js (same for css).
By switching to the standard .min convention, it sets expectations for developers,
and works nicely with existing tools such as ack.
fixes#21633.
git-svn-id: http://core.svn.wordpress.org/trunk@21592 1a063a9b-81f0-0310-95a4-ce76da25c4cd