Webpack version 5.x support?

When attempting to install with Webpack version 5.x:

```
ERR!
Found: webpack@5.54.0
node_modules/webpack
dev webpack@"^5.54.0" from the root project

Could not resolve dependency:
peer webpack@"^1 || ^2 || ^3 || ^4" from inject-loader@4.0.1
```