42da5a26e3
Adds .github/workflows/renovate.yml using renovatebot/github-action@v40.3.0 with daily cron + manual dispatch. Removes Dependabot references. Reviewed and approved: - UAT (Patty): approved via PR comment - QA (Regina): approved via Paperclip - CTO (Nancy): formal GitHub review approval Admin merge used: QA formal GitHub review blocked by same-App identity platform constraint (same issue as PR #108).