feat: support config.dynamicImportSyntax for syntax only

[sorrycc]

Checklist

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

Description of change

• close dynamicImport关闭无法动态import()，打开后项目build效果不理想 #5691

[codecov]

Codecov Report

Merging #6014 (1be5d79) into master (645fac7) will decrease coverage by 0.08%.
The diff coverage is 42.85%.

@@            Coverage Diff             @@
##           master    #6014      +/-   ##
==========================================
- Coverage   83.05%   82.97%   -0.09%     
==========================================
  Files         157      158       +1     
  Lines        3488     3495       +7     
  Branches      938      920      -18     
==========================================
+ Hits         2897     2900       +3     
- Misses        581      586       +5     
+ Partials       10        9       -1     

Impacted Files	Coverage Δ
...ilt-in/src/plugins/features/dynamicImportSyntax.ts	0.00% <0.00%> (ø)
packages/bundler-utils/src/getBabelOpts.ts	100.00% <100.00%> (ø)
packages/core/src/Config/Config.ts	61.78% <0.00%> (ø)

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