chore: update bower's D3 dependency (#2331)
chore: update bower's D3 dependency (#2331)

Fixes #2327
masayuki0812/c3,c3js/c3,c3js/c3,c3js/c3,alanhamlett/c3,c3js/c3,masayuki0812/c3,alanhamlett/c3,alanhamlett/c3