Bump cookie and @auth/prisma-adapter

Removes [cookie](https://github.com/jshttp/cookie). It's no longer used after updating ancestor dependency [@auth/prisma-adapter](https://github.com/nextauthjs/next-auth). These dependencies need to be updated together.


Removes `cookie`

Updates `@auth/prisma-adapter` from 1.6.0 to 2.8.0
- [Release notes](https://github.com/nextauthjs/next-auth/releases)
- [Commits](https://github.com/nextauthjs/next-auth/compare/@auth/prisma-adapter@1.6.0...@auth/prisma-adapter@2.8.0)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: "@auth/prisma-adapter"
  dependency-type: direct:production
...

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Author: dependabot[bot]