Make `createapp` install v3 of `@foal/cli`

[LoicPoullain]

Issue

The CLI was still installing version 2 of @foal/cli

Solution and steps

• [x] Update the package.json templates

Checklist

• [x] Add/update/check docs (code comments and docs/ folder).
• [x] Add/update/check tests.
• [x] Update/check the cli generators.

[codecov-commenter]

Codecov Report

:exclamation: No coverage uploaded for pull request base (v3-0-2@6cead30). Click here to learn what that means. Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## v3-0-2 #1172 +/- ## ========================================= Coverage ? 98.86% ========================================= Files ? 96 Lines ? 1667 Branches ? 388 ========================================= Hits ? 1648 Misses ? 19 Partials ? 0 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=FoalTS). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=FoalTS)

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