Top up referral program's budget and reduce rewards to Ethereum referral program

Lido Referral Program achieved its goals in growing TVL (681K ETH rewarded stake).

At the moment 2/3 of the referral rewards pool is paid out (9.27M LDO) and will run out soon.

After discussion on Lido's governance forum(https://research.lido.fi/t/referral-program-reform/1907) I propose the following:

-Top up Lido's referral program budget back to 15 million LDO -Update the Ethereum referral program's terms and conditions to reduce referral rewards to a TWAP of 0.25% LDO per ETH staked(reward amount in LDO is calculated each payout week based on ETH/USD and LDO/USD 14 days)