[Fix] no-unknown-property: only match data-* attributes containing -

[silverwind]

This fixes behaviour with the requireDataLowercase option enabled:

1. For standard HTML elements, a attribute named dataNotAnDataAttribute now raises unknownProp instead of dataLowercaseRequired.
2. For React components, a attribute named dataNotAnDataAttribute no longer raise an error.

Also, I removed one useless capture group in this regexp.

Fixes: #3712

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.76%. Comparing base (da1013c) to head (230f9ec).

❗ Current head 230f9ec differs from pull request most recent head 69de42e. Consider uploading reports for the commit 69de42e to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3713   +/-   ##
=======================================
  Coverage   97.76%   97.76%           
=======================================
  Files         133      133           
  Lines        9467     9467           
  Branches     3467     3467           
=======================================
  Hits         9255     9255           
  Misses        212      212           

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[ljharb]

Thanks!