This makes it faster in most cases, so we have to wait less.
The FRESH=1 environment variable forces recompiling all source files,
and is used in the release script to be doubly sure that everything
we publish is up to date.
```bash
FRESH=1 npm run build:lib
```
- Check that the registry is configured correctly.
- Check that we are signed in.
These are both things that may fail if the local verdaccio registry was
recently used.
Auto update on every release so we don't have to remember to do it
manually. Update it _before_ doing the release so that the Uppy readme on npm is always up to date.