Update Governance Parameters

This proposal will:

1. Set voting token from EPOCH to vEPOCH
2. Set minimum voting period from 12 hours to 6 days
3. Set dispute period from 6 hours to 1 day (24 hours)
4. Set voting quorum from 2.5M EPOCH to 150,000,000 vEPOCH
5. Set proposal threshold from 1M EPOCH to 30,000,000 vEPOCH

Additional Info: EPOCH: 0x97D0CfEB4FdE54B430307c9482d6f79C761Fe9B6 vEPOCH: 0x731a2572b1cf56cfb804c74555715c8c8b5e980b