feat(eslint-plugin): [no-unsafe-call] support tagged templates

[bradzacher]

context: #791 (comment)

tagged template expressions are essentially just call expressions, so I think it makes sense to support them in no-unsafe-call.

[typescript-eslint]

Thanks for the PR, @bradzacher!

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!

---

🙏 Please, if you or your company is finding typescript-eslint valuable, help us sustain the project by sponsoring it transparently on https://opencollective.com/typescript-eslint. As a thank you, your profile/company logo will be added to our main README which receives thousands of unique visitors per day.

[codecov]

Codecov Report

Merging #1680 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #1680   +/-   ##
=======================================
  Coverage   95.17%   95.17%           
=======================================
  Files         148      148           
  Lines        6938     6938           
  Branches     1999     1997    -2     
=======================================
  Hits         6603     6603           
  Misses        124      124           
  Partials      211      211

Impacted Files	Coverage Δ
packages/eslint-plugin/src/rules/no-unsafe-call.ts	100% <100%> (ø)	⬆️