chore(package): update rollup to version 0.47.2

[posva]

Closes #230

[codecov-io]

Codecov Report

Merging #231 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #231   +/-   ##
=======================================
  Coverage   95.75%   95.75%           
=======================================
  Files          25       25           
  Lines         165      165           
  Branches       10       10           
=======================================
  Hits          158      158           
  Misses          6        6           
  Partials        1        1

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