Incorrect peer dependency

[cschroeter]

├─┬ next-seo 5.15.0
│ └── ✕ missing peer next@"^8.1.1-canary.54 || >=9.0.0"

Thanks for your awesome library. Found a little nit-pick in your dependency declaration. Shoul be something like 9 or higher.
Let me know so I can file a PR