[Snyk] Security upgrade react-scripts from 3.3.0 to 4.0.0#123

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-3d330aa54b1cc36d8334caafb1224392

+23,112-11,070

Commits on Apr 16, 2021

fix: package.json & package-lock.json to reduce vulnerabilities
snyk-bot
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