Bump loader-utils and @angular-devkit/build-angular in /angular-frontend#112

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dependabot/npm_and_yarn/angular-frontend/loader-utils-and-angular-devkit/build-angular-3.2.1stackroute/ibm-wave5-I2PS:dependabot/npm_and_yarn/angular-frontend/loader-utils-and-angular-devkit/build-angular-3.2.1Copy head branch name to clipboard