Bump json5, @angular-devkit/build-angular, source-map-loader, ts-loader and webpack-cli in /app#48

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dependabot/npm_and_yarn/app/json5-and-angular-devkit/build-angular-and-source-map-loader-and-ts-loader-and-webpack-cli-2.2.2Midnight-Lizard/Portal:dependabot/npm_and_yarn/app/json5-and-angular-devkit/build-angular-and-source-map-loader-and-ts-loader-and-webpack-cli-2.2.2Copy head branch name to clipboard