Add Glo Dollar as a gas token by adding it as a setEquivalentToken on the SortedOracles contract

[0xj4an-work]

Hello @garm I am not sure, but maybe this can be a good example on how your proposal can be submitted https://forum.mento.org/t/mgp-9-adding-a-celo-eth-feed-to-support-weth-as-gas-currency