ci(improve): enhance dependabot configuration and auto-merge workflow

[ericyangpan]

• Refactor dependabot groups to separate toolchain deps from regular dev deps
• Add next-intl to Next.js dependency group
• Add lockfile auto-fix to dependabot-auto-merge workflow
• Update Node.js version to 22 in update-github-stars workflow

🤖 Generated with Claude Code

Description

Type of Change

• 📝 Metadata contribution (add/update tool, model, or provider information)
• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 📚 Documentation update
• 🎨 UI/UX improvement
• ♻️ Code refactoring
• ⚡ Performance improvement
• ✅ Test update

Related Issue

Closes #(issue number)

Changes Made

Metadata Contribution Checklist

Only complete this section if adding/updating manifest files:

• All required fields are filled in according to the schema
• All URLs are accessible and point to official sources
• JSON syntax is valid (no syntax errors)
• No duplicate entries exist
• Manifest file is in the correct directory (manifests/ides/, manifests/clis/, etc.)
• ID field follows naming convention (lowercase, hyphenated)
• Description is clear, concise, and accurate
• Verified information from official documentation/website

For model contributions, additionally:

• Size, context length, and max output are accurate
• Pricing information is current and verified
• URLs include website, documentation, and relevant analysis sites

Testing

• Local build passes (npm run build)
• All validation checks pass (npm run validate:manifests)
• URL validation passes (npm run validate:urls)
• Linting passes (npm run lint)
• Spell check passes (npm run spell)

Screenshots (if applicable)

Additional Notes

---

Reviewer Checklist

• Code/manifest follows project conventions
• Changes are well-documented
• All CI checks pass
• No security concerns
• Documentation is updated (if needed)

[github-actions]

Preview deployment

Status	URL
Ready	https://pr-68-aicodingstack.pr-preview.workers.dev

Commit: 41c96a4
Updated: 2026-01-06T01:27:50.359Z

[github-actions]

Preview deployment cleaned up

The preview deployment for PR #68 has been removed.