Bump json5 and @angular-devkit/build-angular in /frontend#15

dependabot[bot] wants to merge 1 commit intomastertomney/finalfour:masterfrom

dependabot/npm_and_yarn/frontend/json5-and-angular-devkit/build-angular-1.0.2tomney/finalfour:dependabot/npm_and_yarn/frontend/json5-and-angular-devkit/build-angular-1.0.2Copy head branch name to clipboard