fix(eslint-plugin): [no-type-alias] handle constructor aliases

[a-tarasyuk]

Fixes #1191

[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 #1198 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1198      +/-   ##
==========================================
+ Coverage   94.05%   94.05%   +<.01%     
==========================================
  Files         123      123              
  Lines        5283     5286       +3     
  Branches     1468     1470       +2     
==========================================
+ Hits         4969     4972       +3     
  Misses        179      179              
  Partials      135      135

Impacted Files	Coverage Δ
packages/eslint-plugin/src/rules/no-type-alias.ts	94.82% <100%> (+0.28%)	⬆️

[bradzacher]

LGTM - thanks for this