WIP: Consolidate redis-cache and redis-store in a single instance Tracking issue

Created by: jhchabran

Plan

See ADR todo

Tracked issues

Legend

• 👩 Customer issue
• 🐛 Bug
• 🧶 Technical debt
• 🎩 Quality of life
• 🛠️ Roadmap
• 🕵️ Spike
• 🔒 Security issue
• 🙆 Stretch goal