chore(ai): adding UA string for AIConversation

[dbanksdesign]

Description of changes

Adds custom UA string for AIConversation component. Bumps the minimum aws-amplify version to 6.6.5 for all packages.

Issue #, if available

Description of how you validated changes

Checklist

• Have read the Pull Request Guidelines
• PR description included
• yarn test passes and tests are updated/added
• PR title and commit messages follow conventional commit syntax
• If this change should result in a version bump, changeset added (This can be done after creating the PR.) This does not apply to changes made to docs, e2e, examples, or other private packages.

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Latest commit: 4e98505

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[jordanvn]

MSTM, once test failures are resolved

[ashika112]

is this something new for UI repo? And needed to maintained manually?

[dbanksdesign]

Not anything new, a pattern we have for all UI packages where we use the UA string. We have a script to update the version number on build. This is so we don't have to import package.json