package: upgrade dependencies

[targos]

• xmlbuilder 13.0.0 only breaking for TypeScript users
• update-notifier 3.0.0 drops support for Node 6

[codecov-io]

Codecov Report

Merging #727 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #727   +/-   ##
=======================================
  Coverage   96.22%   96.22%           
=======================================
  Files          27       27           
  Lines         875      875           
=======================================
  Hits          842      842           
  Misses         33       33

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