Bump apollo-server-express from 2.11.0 to 2.14.2 in /backend#2

dependabot[bot] wants to merge 1 commit intomastergabrielcolson/fullstack:masterfrom

dependabot/npm_and_yarn/backend/apollo-server-express-2.14.2gabrielcolson/fullstack:dependabot/npm_and_yarn/backend/apollo-server-express-2.14.2Copy head branch name to clipboard