Bump json5, ts-loader, webpack and webpack-cli#21

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dependabot/npm_and_yarn/json5-and-ts-loader-and-webpack-and-webpack-cli-2.2.2patrickkunka/pointerify:dependabot/npm_and_yarn/json5-and-ts-loader-and-webpack-and-webpack-cli-2.2.2Copy head branch name to clipboard