fix(sec): upgrade mkdocs to

[Hannibal0x]

What happened？

There are 1 security vulnerabilities found in mkdocs 1.2.3

• MPS-2022-6935

What did I do？

Upgrade mkdocs from 1.2.3 to for vulnerability fix

What did you expect to happen？

Ideally, no insecure libs should be used.

The specification of the pull request

PR Specification from OSCS

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