chore: move to aws-amplify v6

[thaddmt]

BREAKING CHANGE: updated package to be compatible with aws-amplify v6

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Issue #, if available

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Checklist

• [ ] PR description included
• [ ] yarn test passes
• [ ] Tests are [changed or added]
• [ ] Relevant documentation is changed or added (and PR referenced)

[github-actions[bot]]

:tada: This PR is included in version 3.0.0-unstable.10 :tada:

The release is available on:

• npm package (@unstable dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: