chore(package): update babel-preset-env to version 1.3.3

[make-github-pseudonymous-again]

https://greenkeeper.io/

[codecov-io]

Codecov Report

Merging #11 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #11   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          10     10           
  Lines          34     34           
=====================================
  Hits           34     34

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[coveralls]

Coverage remained the same at 100.0% when pulling cdff5a3 on greenkeeper/babel-preset-env-1.3.3 into f3e21eb on master.