fix: add correct version for @adonisjs/auth for those who are still u…

[LucasCavalheri]

…sing version 5 of Adonis

❓ Type of change

• [X] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

When installing only with npm i @adonisjs/auth, it gets the latest version, but it is not compatible with those who still use adonisjs v5

[RomainLanz]

Thanks!