fix(qiankun): 线上环境忽略 mfsu 配置

[kuitos]

• ref https://github.com/umijs/umi/pull/11690

[codecov[bot]]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (8eb559a) 44.30% compared to head (803dc1b) 44.25%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #955 +/- ## ========================================== - Coverage 44.30% 44.25% -0.06% ========================================== Files 67 67 Lines 1731 1733 +2 Branches 476 465 -11 ========================================== Hits 767 767 - Misses 955 964 +9 + Partials 9 2 -7 ``` | [Files](https://app.codecov.io/gh/umijs/plugins/pull/955?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=umijs) | Coverage Δ | | |---|---|---| | [packages/plugin-qiankun/src/slave/index.ts](https://app.codecov.io/gh/umijs/plugins/pull/955?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=umijs#diff-cGFja2FnZXMvcGx1Z2luLXFpYW5rdW4vc3JjL3NsYXZlL2luZGV4LnRz) | `0.00% <0.00%> (ø)` | | ... and [4 files with indirect coverage changes](https://app.codecov.io/gh/umijs/plugins/pull/955/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=umijs)

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