[Snyk] Upgrade @ant-design/icons from 4.0.2 to 4.0.4

Snyk has created this PR to upgrade @ant-design/icons from 4.0.2 to 4.0.4.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

The recommended version is 2 versions ahead of your current version.
The recommended version was released 3 days ago, on 2020-03-28.

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fnplus / footsteps-app

[Snyk] Upgrade @ant-design/icons from 4.0.2 to 4.0.4 #120

Snyk has created this PR to upgrade @ant-design/icons from 4.0.2 to 4.0.4.