chore(deps-dev): bump storybook from 8.5.0 to 8.6.15 in /web#5

dependabot[bot] wants to merge 1 commit intomaincapricontech/dify:mainfrom

dependabot/npm_and_yarn/web/storybook-8.6.15capricontech/dify:dependabot/npm_and_yarn/web/storybook-8.6.15Copy head branch name to clipboard