This commit greatly speeds up the compilation
time for `hardhat compile` by updating to the
latest version of the plugin.

This is known to work with the following forge version:
```
forge 0.2.0 (4ad4bb6 2022-07-06T17:55:43.107018225Z)
```

To use this version:
```
$ foundryup -C 4ad4bb660ad0b429e76e980fd6c1d50aee7c112b
```