sql: add switch for check constraint (#13998)

[ti-chi-bot]

This is an automated cherry-pick of #13998

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What is the related PR or file link(s)?

• This PR is translated from:sql: add switch for check constraint docs-cn#14320
• Other reference link(s): Support CHECK constraint tidb#41711

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

[qiancai]

/approve

[qiancai]

/approve

[qiancai]

/approve

[ti-chi-bot]

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