docs: tweak faq

[killme2008]

What's Changed in this PR

As the title said.

Checklist

• Please ensure that the content in summary.yml matches the current document structure when you changed the document structure.
• This change requires follow-up update in localized docs.

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[killme2008]

Looks like the FAQ and release note are still missing in greptime.cn @nicecui @tisonkun

If we don't have time to translate them, just use the english version is good. Please fix it ASAP.

[killme2008]

@nicecui @fengjiachun Every time a new version is released, we can't just only add new documents for them, but also have to update old documents with outdated information.

[nicecui]

please add FAQ-and-Others: 常见问题及其他 to summary-i18n.yml, thank you very much!

[nicecui]

@GreptimeTeam/marketing Please remember to update the content in the marketing internal documentation.

[nicecui]

@nicecui @fengjiachun Every time a new version is released, we can't just only add new documents for them, but also have to update old documents with outdated information.

yes, It should be