chore: update memorylint and superpowers-bridge extension catalog entries to 1.3.0

[RbBtSn0w]

Summary

• update the memorylint community catalog entry from 1.0.0 to 1.3.0
• update the superpowers-bridge community catalog entry from 1.0.0 to 1.3.0
• point both entries at their v1.3.0 GitHub release asset URLs and refresh updated_at

Test Plan

• pytest tests/test_extensions.py -q

[Copilot]

Pull request overview

Updates two community extension catalog entries to version 1.3.0 and points their download_url fields at GitHub release assets, keeping per-entry metadata current within the community extension catalog.

Changes:

• Bump memorylint from 1.0.0 → 1.3.0 and update its release asset URL.
• Bump “Superpowers Bridge” (catalog key/id superb) from 1.0.0 → 1.3.0 and update its release asset URL.
• Refresh per-entry updated_at timestamps for both entries.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[mnriem]

Please address Copilot feedback

[mnriem]

Thank you!