Update Seafile to v12

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
haiwen/seahub	major	11.0.13 -> 12.0.4

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Release Notes

haiwen/seahub (haiwen/seahub)

### [`v12.0.4`](https://redirect.github.com/haiwen/seahub/compare/v11.0.13-pro...v12.0.4-pro) [Compare Source](https://redirect.github.com/haiwen/seahub/compare/v11.0.13-pro...v12.0.4-pro)

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