Bump ember-cli-clipboard from 0.12.0 to 0.15.0#283

dependabot-preview[bot] wants to merge 1 commit intomasterembermap/ember-cli-tailwind:masterfrom

dependabot/npm_and_yarn/ember-cli-clipboard-0.15.0embermap/ember-cli-tailwind:dependabot/npm_and_yarn/ember-cli-clipboard-0.15.0Copy head branch name to clipboard