extractors/bilibili: use new api

[iawia002]

based on #82

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@ad3b831). Click here to learn what that means.
The diff coverage is 69.23%.

@@            Coverage Diff            @@
##             master      #83   +/-   ##
=========================================
  Coverage          ?   45.39%           
=========================================
  Files             ?      126           
  Lines             ?     8210           
  Branches          ?     1233           
=========================================
  Hits              ?     3727           
  Misses            ?     4165           
  Partials          ?      318

Impacted Files	Coverage Δ
lulu/extractors/bilibili.py	66.82% <69.23%> (ø)

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