Bump loader-utils and react-scripts in /props-and-icons#42

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dependabot/npm_and_yarn/props-and-icons/loader-utils-and-react-scripts-2.0.4frontend-application-development-uw20/week3-code-examples:dependabot/npm_and_yarn/props-and-icons/loader-utils-and-react-scripts-2.0.4Copy head branch name to clipboard