chore: use react-jsx for create-app react 17 template

[ycjcl868]

Checklist

• npm test passes
• tests are included
• documentation is changed or added
• commit message follows commit guidelines

Description of change

• any feature?
• close https://github.com/umijs/umi/ISSUE_URL

[codecov]

Codecov Report

Merging #6044 (50bac66) into master (3a18160) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #6044   +/-   ##
=======================================
  Coverage   82.94%   82.94%           
=======================================
  Files         158      158           
  Lines        3500     3500           
  Branches      941      941           
=======================================
  Hits         2903     2903           
  Misses        587      587           
  Partials       10       10           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3a18160...50bac66. Read the comment docs.