Expose syntheticNamedExports to ModuleInfo

[Amareis]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:

Description

In docs there is line about meta and syntheticNamedExports in ModuleInfo:

[codecov]

Codecov Report

Merging #3847 into master will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3847      +/-   ##
==========================================
- Coverage   97.06%   97.06%   -0.01%     
==========================================
  Files         184      184              
  Lines        6518     6517       -1     
  Branches     1887     1887              
==========================================
- Hits         6327     6326       -1     
  Misses        101      101              
  Partials       90       90              

Impacted Files	Coverage Δ
src/ExternalModule.ts	100.00% <ø> (ø)
src/Chunk.ts	100.00% <100.00%> (ø)
src/Module.ts	100.00% <100.00%> (ø)
src/ast/variables/NamespaceVariable.ts	100.00% <100.00%> (ø)

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[lukastaegert]

Thanks! I would consider aligning the handling of the property with moduleSideEffects and meta, though.

[lukastaegert]

Looks great, thanks a lot!