mention uniswapV$ events (#600)

Author: TymKh

docs/flashbots-protect/mev-refunds.mdx

@@ -27,7 +27,7 @@ https://rpc.flashbots.net
 Currently, this configuration shares the following information:
 
 - The `hash` of all transactions
-- `default_logs` Partial logs (the pool id and the fact that a swap was made) for curve, balancer, and uniswapV2/V3-style trades
+- `default_logs` Partial logs (the pool id and the fact that a swap was made) for curve, balancer, and uniswapV2/V3/V4-style trades
 
 ### Max Privacy