fix(eslint-plugin): [explicit-module-boundary-types] ignore functions exported within typed object/array literals

[pvanagtmaal]

Fixes #2183 by looking for the Property value's ancestor type instead of the Property's ancestor itself.

[typescript-eslint]

Thanks for the PR, @pvanagtmaal!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #2805 (8e0fce3) into master (a8227a6) will decrease coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master    #2805      +/-   ##
==========================================
- Coverage   92.76%   92.76%   -0.01%     
==========================================
  Files         301      301              
  Lines       10150    10152       +2     
  Branches     2870     2871       +1     
==========================================
+ Hits         9416     9417       +1     
  Misses        345      345              
- Partials      389      390       +1     

Flag	Coverage Δ
unittest	92.76% <50.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...plugin/src/rules/explicit-module-boundary-types.ts	88.74% <50.00%> (-0.53%)	⬇️

[bradzacher]

thanks!