fix(packageparser): remove support for invalid exports shapes

[Comandeer]

Closes #335.
Closes #308.

[codecov]

Codecov Report

Attention: Patch coverage is 97.63780% with 3 lines in your changes missing coverage. Please review.

Project coverage is 99.44%. Comparing base (c386eb1) to head (1297758).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/packageParser/PackageJSON.ts	95.83%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #336      +/-   ##
==========================================
- Coverage   99.70%   99.44%   -0.27%     
==========================================
  Files          13       14       +1     
  Lines        1025     1075      +50     
  Branches       96      102       +6     
==========================================
+ Hits         1022     1069      +47     
- Misses          2        5       +3     
  Partials        1        1              

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