fix(eslint-plugin): handle const;

[bradzacher]

Fixes #441

[eyedean]

👏👏👏
I faced the exact same issue and debugging the code I was right here to add this! Thanks for being on top of it. <3 @bradzacher

[codecov]

Codecov Report

Merging #633 into master will decrease coverage by 0.03%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##           master     #633      +/-   ##
==========================================
- Coverage   94.37%   94.33%   -0.04%     
==========================================
  Files         109      109              
  Lines        4535     4540       +5     
  Branches     1252     1254       +2     
==========================================
+ Hits         4280     4283       +3     
- Misses        148      149       +1     
- Partials      107      108       +1

Impacted Files	Coverage Δ
...nt-plugin/src/rules/consistent-type-definitions.ts	90% <ø> (ø)	⬆️
...nt-plugin/src/rules/indent-new-do-not-use/index.ts	98.39% <0%> (-0.53%)	⬇️
packages/eslint-plugin/src/rules/indent.ts	92.3% <100%> (+0.64%)	⬆️
packages/eslint-plugin/src/rules/prefer-for-of.ts	88.57% <100%> (ø)	⬆️