Document webpack change: add parser options for dynamic import

[webpack-bot]

A pull request by @vankop was merged and maintainers requested a documentation change.

See pull request: webpack/webpack#15494

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What kind of change does this PR introduce?
feature

• add dynamicImportMode for ContextModule
• add dynamicImportPrefetch for prefetch order
• add dynamicImportPreload for preload order
  closes build(deps-dev): bump webpack from 5.37.1 to 5.38.1 #5029
  closes #11012

Did you add tests for your changes?
yes

Does this PR introduce a breaking change?
no

What needs to be documented once your changes are merged?

• add parser.javascript.dynamicImportMode enum of ["eager", "weak", "lazy", "lazy-once"]
• add parser.javascript.dynamicImportPrefetch boolean flag for prefetch order
• add parser.javascript.dynamicImportPreload boolean flag for preload order

this options will be used if there is no magic comments in import() (import(/* webpackMode: "sync" */"blabla")).