fix: mark external memory and version APIs as basic

[legendecas]

Fixes #1594

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 66.40%. Comparing base (ae2c23e) to head (7ab86a2).

Files with missing lines	Patch %	Lines
napi-inl.h	50.00%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1597      +/-   ##
==========================================
+ Coverage   64.42%   66.40%   +1.97%     
==========================================
  Files           3        3              
  Lines        2010     2143     +133     
  Branches      699      702       +3     
==========================================
+ Hits         1295     1423     +128     
- Misses        147      150       +3     
- Partials      568      570       +2     

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[NickNaso]

You should update the docs:

• https://github.com/nodejs/node-addon-api/blob/main/doc/memory_management.md#adjustexternalmemory
• https://github.com/nodejs/node-addon-api/blob/main/doc/version_management.md#versionmanagement

[legendecas]

Thanks for pointing it out, updated!

[mhdawson]

LGTM