brew install --devel | No devel block is defined for mongodb

As described in the documentation at the URL below, using brew to install mongodb latest development version fails with the following errors:

```
brew install --devel mongodb
Error: No devel block is defined for mongodb
```

Link to documentation page:
https://docs.mongodb.com/manual/tutorial/install-mongodb-on-os-x/#install-the-latest-development-release-of-mongodb