Update dependency d3-selection to ^1.4.0

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
d3-selection	dependencies	minor	^1.4.0	homepage, source

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Release Notes

d3/d3-selection

v1.4.0

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• Add selection.join!
• Fix selection.order to enforce relative position, rather than exact siblings.
• Remove vendor fallback for element.matches.

v1.3.2

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• Housekeeping.

v1.3.1

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• Update dependencies.

v1.3.0

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• Add selection.clone. (#​149)
• Add d3.create. (#​156)

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