[Snyk] Security upgrade react-scripts from 3.0.1 to 4.0.0#21

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largerock wants to merge 1 commit intomasterfrom snyk-fix-502149da2ba46733277bd6c812b852a7

+9,350-5,202

Commits on Mar 9, 2021

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