[Snyk] Security upgrade mkdirp from 0.5.1 to 1.0.0#10

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snyk-bot wants to merge 1 commit intocanaryfrom snyk-fix-6966e4c38f1541877ec35cfd261391a8

+5-10

Commits on Mar 12, 2020

fix: app/package.json & app/yarn.lock to reduce vulnerabilities
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