(BSR) feat(yarn): Bump yarn for rn upgrade

[tprache-pass]

Link to JIRA ticket: https://passculture.atlassian.net/browse/PC-XXXXX

Flakiness

If I had to re-run tests in the CI due to flakiness, I add the incident on Notion

Checklist

I have:

• Made sure my feature is working on web.
• Made sure my feature is working on mobile (depending on relevance : real or virtual devices)
• Written unit tests native (and web when implementation is different) for my feature.
• Added a screenshot for UI tickets or deleted the screenshot section if no UI change
• If my PR is a bugfix, I add the link of the "résolution de problème sur le bug" on Notion
• I am aware of all the best practices and respected them.

Screenshots

delete if no UI change

Platform	Mockup/Before	After
iOS
Android
Phone - Chrome
Desktop - Chrome

Best Practices

Click to expand

• Remove non-null assertion operators (just like other type assertions, this doesn’t change the runtime behavior of your code, so it’s important to only use ! when you know that the value can’t be null or undefined).

Test specific:

• When you see a local variable that is over-written in every test, mock it.
• Prefer user to fireEvent.

[pcanthelou-pass]

Je ne vois rien de méchant :)