Prop 7: Upgrade to v1.3.1

This release is intended as planned chain upgrade to v1.3.1.

Upgrade Features
Enable delegation from vesting account

Details of Upgrade Time
The proposal targets the upgrade proposal block to be 2147722, anticipated to be on Thursday, February 23rd 2023 at 16:00 UTC.
Because blocks can occur at irregular intervals, please keep an eye on the Teritori chain for a precise upgrade time.