Laravel and Rails guides launch flyio/redis:6.2.6, which is out of support #2612

Flagged in the fly-apps image audit and confirmed. laravel/database-guides/laravel-redis, laravel/advanced-guides/multiple-applications and rails/advanced-guides/multiple-applications tell users to run fly launch --image flyio/redis:6.2.6. Redis 6.2 is out of upstream support and the image was last pushed in 2023.