Bump acorn from 5.7.3 to 5.7.4 in /week-2/one-way-binding#19

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dependabot/npm_and_yarn/week-2/one-way-binding/acorn-5.7.4buwebdev/web-425:dependabot/npm_and_yarn/week-2/one-way-binding/acorn-5.7.4Copy head branch name to clipboard