fix(table): fix wrong hover color

[NozomuIkuta]

The title explains everything.
I checked the color in Histoire and it looks good to me.

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[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (cfff218) 79.52% compared to head (63c0304) 79.52%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #238   +/-   ##
=======================================
  Coverage   79.52%   79.52%           
=======================================
  Files         112      112           
  Lines        9383     9383           
  Branches      369      369           
=======================================
  Hits         7462     7462           
  Misses       1921     1921           

Impacted Files	Coverage Δ
lib/components/STableCell.vue	57.89% <100.00%> (ø)

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