fix(tag-pair): point tag-pair error message to correct line and colum…

[bebehr]

…n number

fix #1284

Short description of what this resolves:
Pointing to correct line number in tag-pair message when end tag is missing.

Proposed changes:
Adds lastEvent.line and lastEvent.col to rule check with updated tests.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 96.99%. Comparing base (2c63ab0) to head (aa80fb1).

Files with missing lines	Patch %	Lines
dist/htmlhint.js	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1503      +/-   ##
==========================================
- Coverage   97.97%   96.99%   -0.99%     
==========================================
  Files           2        2              
  Lines        1627     1628       +1     
  Branches      339      334       -5     
==========================================
- Hits         1594     1579      -15     
- Misses         33       49      +16     

Files with missing lines	Coverage Δ
dist/htmlhint.js	96.98% <50.00%> (-0.99%)	⬇️

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