chore: fix wrong import path & update dependencies

[jikkai]

- import type { Nullable } from 'vitest';
+ import type { Nullable } from '@univerjs/core';

Pull Request Checklist

• [x] Related tickets or issues have been linked in the PR description (or missing issue).
• [x] Naming convention is followed (do please check it especially when you created new plugins, commands and resources).
• [x] Unit tests have been added for the changes (if applicable).
• [x] Breaking changes have been documented (or no breaking changes introduced in this PR).

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 26.92%. Comparing base (4c1c3de) to head (db0cae1).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #2669 +/- ## ======================================= Coverage 26.92% 26.92% ======================================= Files 1714 1714 Lines 87513 87513 Branches 18331 18331 ======================================= Hits 23564 23564 Misses 63949 63949 ```

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