[Snyk] Security upgrade react-scripts from 4.0.3 to 5.0.0

[erikhofer]

Snyk has created this PR to fix 3 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Improper Handling of Unicode Encoding SNYK-JS-TAR-15038581	713
	Use of a Cryptographic Primitive with a Risky Implementation SNYK-JS-ELLIPTIC-14908844	708
	Uncontrolled Resource Consumption ('Resource Exhaustion') SNYK-JS-TAR-6476909	646

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🦉 Uncontrolled Resource Consumption ('Resource Exhaustion')