fix(scope-manager): support tagged template string generic type parameters

[bradzacher]

Fixes #2452

[typescript-eslint]

Thanks for the PR, @bradzacher!

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[codecov]

Codecov Report

Merging #2492 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2492   +/-   ##
=======================================
  Coverage   92.84%   92.85%           
=======================================
  Files         290      290           
  Lines        9354     9357    +3     
  Branches     2622     2622           
=======================================
+ Hits         8685     8688    +3     
  Misses        321      321           
  Partials      348      348           

Flag	Coverage Δ
#unittest	92.85% <100.00%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...ackages/scope-manager/src/referencer/Referencer.ts	93.93% <100.00%> (+0.07%)	⬆️