lot of change since , update contract substreams

update all substreams version

Merge all erc20 substreams
transfers : https://github.com/pinax-network/substreams-erc20-transfers
supply : https://github.com/pinax-network/substreams-erc20-supply/releases/tag/v0.1.5
contract : https://github.com/pinax-network/substreams-erc20-contracts
balance_changes : https://github.com/pinax-network/substreams-erc20-balance-changes¸