Bump cookie and aws-amplify

Removes [cookie](https://github.com/jshttp/cookie). It's no longer used after updating ancestor dependency [aws-amplify](https://github.com/aws-amplify/amplify-js). These dependencies need to be updated together.


Removes `cookie`

Updates `aws-amplify` from 5.3.21 to 6.6.4
- [Release notes](https://github.com/aws-amplify/amplify-js/releases)
- [Commits](https://github.com/aws-amplify/amplify-js/compare/aws-amplify@5.3.21...aws-amplify@6.6.4)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: aws-amplify
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>