Bump webpack-dev-middleware, @angular-builders/custom-webpack, @angular-builders/jest and @angular-devkit/build-angular#598

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dependabot/npm_and_yarn/webpack-dev-middleware-and-angular-builders/custom-webpack-and-angular-builders/jest-and-angular-devkit/build-angular-6.1.2jhipster/jhipster-registry:dependabot/npm_and_yarn/webpack-dev-middleware-and-angular-builders/custom-webpack-and-angular-builders/jest-and-angular-devkit/build-angular-6.1.2Copy head branch name to clipboard