Bump json5 and @angular-devkit/build-angular in /beginner_2020_2021/brainart#217
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dependabot[bot] wants to merge 1 commit intomasterfrom dependabot/npm_and_yarn/beginner_2020_2021/brainart/json5-and-angular-devkit/build-angular-2.2.2
+6,615-3,657
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