docs: add missing conflictAttributes to bulkCreate

[mpirescarvalho]

Pull Request Checklist

• Have you added new tests to prevent regressions?
• If a documentation update is necessary, have you opened a PR to the documentation repository?
• Did you update the typescript typings accordingly (if applicable)?
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Description Of Change

Added missing docs of property conflictAttributes to v6 API Reference. Solves #16572.

[WikiRik]

Ignore the failing tests

[github-actions]

🎉 This PR is included in version 6.34.0 🎉

The release is available on:

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

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