The example from readme fails on Pharo 14 with a message `Instance of OSEnvironment did not understand #defaultEncoding`

The example from readme fails on Pharo 14 with a message `Instance of OSEnvironment did not understand #defaultEncoding`

```
OSSUnixSubprocess new
	command: '/bin/ls';
	arguments: #('-la' '/Users');
	redirectStdout;
	runAndWaitOnExitDo: [ :process :outString  |
		outString inspect
	].
```

