Release v0.10.7

[bryanchriswhite]

Summary

Tracking issue for the v0.10.7 ledger release

Outstanding Tasks

• chore: upgrade v0.45.8 cosmos-sdk#133
• Release cosmos-sdk v0.18.3
• Update cosmos-sdk in fetchd
• Sanity checks on local network (optionally GKE sandbox)
  • Staking
    • Adding / removing validator
    • (Un/)Delegating
    • ...
  • Contracts
    • Store
    • Exec
  • Network upgrade procedures
    • Simulated upgrade (run new version against chain from old version)
      • Download state snapshot for testnet & mainnet to load in local node
        • modify validators
      • Run the upgrade process locally
    • Upgrade handler
    • Is there anything that node operators need to do to upgrade successfully?

Release

• Cut release candidate
• Upgrade testnet with release candidate
• Create final release
• Update testnet with production version
• Submit network upgrade proposal