Bump ember-cli from 3.9.0 to 4.7.0#718

dependabot[bot] wants to merge 1 commit intomasterember-cli/ember-fetch:masterfrom

dependabot/npm_and_yarn/ember-cli-4.7.0ember-cli/ember-fetch:dependabot/npm_and_yarn/ember-cli-4.7.0Copy head branch name to clipboard