[Snyk] Upgrade d3-array from 2.3.1 to 2.3.3

[snyk-bot]

Snyk has created this PR to upgrade d3-array from 2.3.1 to 2.3.3.

• The recommended version is 2 versions ahead of your current version.
• The recommended version was released 11 days ago, on 2019-10-16.

Release notes

• Package name: d3-array
  • 2.3.3 - 2019-10-16
    • Greatly improve the performance of d3.median. Thanks, @Fil and @jheer!
  • 2.3.2 - 2019-10-04
    • Avoid an array.sort bug in Safari. #123
    • Fix bin thresholds to ignore NaN input.
  • 2.3.1 - 2019-08-20
    • Fix d3.count to ignore non-number input.
from [`d3-array` GitHub Release Notes](https://github.com/d3/d3-array/releases)

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