Change "Fake Site" site name to "WordPress"
Change "Fake Site" site name to "WordPress"

"WordPress" is more user-friendly and expected. This affects new sites created via the `wp core multisite-install` command. Previously this would create a tagline / site name like this:

```
Just another Fake Site site
 Welcome to Fake Site
```

trepmal/wp-cli,trepmal/wp-cli,trepmal/wp-cli