Update dependency d3-scale to ^2.2.2

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
d3-scale	dependencies	minor	^2.2.2	homepage, source

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Release Notes

d3/d3-scale

v2.2.2

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• Add missing export for d3.scaleDivergingSymlog.

v2.2.1

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• Revert adoption of ES Map; this will happen in a major release.

v2.2.0

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• Add domain and range (or interpolator) convenience constructors for all scale types. (#​157)
• Add default constructors for sequential and diverging scales. (#​159)
• Add d3.tickFormat. (#​148)
• Add d3.scaleSymlog. (#​105)
• Add transformed sequential scales (e.g., d3.scaleSequentialLog). (#​62)
• Add transformed diverging scales (e.g., d3.scaleDivergingLog). (#​62)
• Add d3.scaleSequentialQuantile for p-quantiles. (#​93)
• Add scale.unknown for all scale types. (#​97)
• Allow unlimited band.paddingOuter and point.padding. (#​102)
• For collapsed domains, use midpoint of domain or range rather than start. (#​117)
• Clarify documentation. (#​123, #​132)

v2.1.2

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• Housekeeping.

v2.1.1

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• Update dependencies.

v2.1.0

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• Add d3.scaleDiverging.
• Fix treatment of degenerate domains in d3.scaleSequential. (#​130)

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