Bump storybook from 8.5.8 to 8.6.15#440

dependabot[bot] wants to merge 1 commit intomaintinymce/tinymce-angular:mainfrom

dependabot/npm_and_yarn/storybook-8.6.15tinymce/tinymce-angular:dependabot/npm_and_yarn/storybook-8.6.15Copy head branch name to clipboard