Bump js-yaml from 3.12.2 to 3.13.1

[dependabot[bot]]

Bumps js-yaml from 3.12.2 to 3.13.1.

Changelog

Sourced from js-yaml's changelog.

3.13.1 / 2019-04-05

• Fix possible code execution in (already unsafe) .load(), #480.

3.13.0 / 2019-03-20

• Security fix: safeLoad() can hang when arrays with nested refs used as key. Now throws exception for nested arrays. #475.

Commits

• 665aadd 3.13.1 released
• da8ecf2 Browser files rebuild
• b2f9e88 Merge pull request #480 from nodeca/toString
• e18afbf Fix possible code execution in (already unsafe) load()
• 9d4ce5e 3.13.0 released
• f64c673 Browser files rebuild
• a567ef3 Restrict data types for object keys
• 59b6e76 Fix test name
• See full diff in compare view

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[codecov[bot]]

Codecov Report

Merging #4 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #4   +/-   ##
=======================================
  Coverage   98.34%   98.34%           
=======================================
  Files          49       49           
  Lines         303      303           
  Branches       37       37           
=======================================
  Hits          298      298           
  Misses          5        5

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