refactor: use slices.Contains to simplify code

[fengyuchuanshen]

Purpose of Changes and their Description

There is a new function added in the go1.21 standard library, which can make the code more concise and easy to read.

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• If documented, please describe where. If not, describe why docs are not needed.
• Added to Unreleased section of CHANGELOG.md?

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[fengyuchuanshen]

@xmariachi @guilherme-brandao @amimart Hi, Could you please review this PR at your convenience? Thank you very much.