fix(eslint-plugin): [explicit-module-boundary-types] check allowNames on function declarations and property methods

[a-tarasyuk]

Fixes #3033

[typescript-eslint]

Thanks for the PR, @a-tarasyuk!

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 #3051 (15aaed5) into master (5e5d9b9) will increase coverage by 0.01%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master    #3051      +/-   ##
==========================================
+ Coverage   92.64%   92.65%   +0.01%     
==========================================
  Files         314      314              
  Lines       10674    10675       +1     
  Branches     3026     3027       +1     
==========================================
+ Hits         9889     9891       +2     
+ Misses        363      362       -1     
  Partials      422      422              

Flag	Coverage Δ
unittest	92.65% <75.00%> (+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	89.47% <75.00%> (+0.73%)	⬆️

[bradzacher]

thanks!