Update sample_vector_search_async.py

[wisecuesdev]

Fixed typo in get_hotel_documents, "description" field was mispelled

Description

Please add an informative description that covers that changes made by the pull request and link all relevant issues.

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All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[github-actions]

Thank you for your contribution @wisecuesdev! We will review the pull request and get back to you soon.

[xiangyan99]

Thanks for your contribution.

[azure-sdk]

API change check

API changes are not detected in this pull request.