Update dependency d3-axis to v2

Created by: renovate[bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
d3-axis (source)	^1.0.12 -> ^2.0.0
@types/d3-axis	1.0.12 -> 2.0.0

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Release Notes

d3/d3-axis

v2.0.0

Compare Source

• Mark the package as having no side effects. Thanks, @​stof! #​61
• Standardize dependencies. d3/d3#​3337
• Use explicit files when publishing. d3/d3#​3335
• Use exact paths in imports. d3/d3#​3265

This release adopts ES2015 language features such as for-of and drops support for older browsers, including IE. If you need to support pre-ES2015 environments, you should stick with d3-axis 1.x or use a transpiler.

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