SCCP-257: Update Cross Asset Swaps - 1inch Integration

SCCP-257 proposes the following with respect to 1inch integration addresses:

• Switch to the new dex price aggregator, which automatically routes throught 5 bp uniswap pools
• Lower the atomic exchange fee from 35 bp to 10 bp on trade to/from sBTC
• Lower the atomic exchange fee from 15 bp to 7 bp on trade to/from sETH
• Increase the maximum atomic exchange volume between sBTC and sUSD to 5 million