feat: auto detect jest version and revert sc version to v6

[fz6m]

1. 回滚 sc 版本

2. lint 需要 jest 版本，生成器也需要 jest 版本，所以写了一劳永逸的检测方法

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

1 Ignored Deployment

Name	Status	Preview	Updated
umi	⬜️ Ignored (Inspect)		Jan 12, 2023 at 10:48AM (UTC)

[codecov]

Codecov Report

Base: 29.57% // Head: 29.54% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (ef95e5f) compared to base (6350579).
Patch coverage: 19.35% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10284      +/-   ##
==========================================
- Coverage   29.57%   29.54%   -0.04%     
==========================================
  Files         444      444              
  Lines       12867    12884      +17     
  Branches     3138     3140       +2     
==========================================
  Hits         3806     3806              
- Misses       8471     8488      +17     
  Partials      590      590              

Impacted Files	Coverage Δ
packages/bundler-vite/src/server/server.ts	0.00% <0.00%> (ø)
packages/bundler-webpack/src/server/server.ts	0.00% <0.00%> (ø)
packages/lint/src/config/eslint/index.ts	0.00% <0.00%> (ø)
...ackages/preset-umi/src/commands/generators/jest.ts	0.00% <0.00%> (ø)
...eset-umi/src/features/mock/createMockMiddleware.ts	0.00% <ø> (ø)
packages/preset-umi/src/utils/fileSizeReporter.ts	0.00% <0.00%> (ø)
packages/utils/src/index.ts	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.