Add zh-CN translations for Bank names

[guxiaobai]

Motivation / Background

This Pull Request has been created because [REPLACE ME]

Additional information

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[thdaraujo]

Thanks for the contribution!

Please change the syntax to use dashes instead of an array, take a look at this doc:
https://github.com/faker-ruby/faker/blob/main/CONTRIBUTING.md#yaml-files

[thdaraujo]

we prefer to use the dash syntax for lists of elements, see documentation.

[guxiaobai]

Thank you. I've repaired it

[thdaraujo]

great, thank you!