Merge pull request #23028 from karalabe/1559-rpcgascap

eth/ethconfig: bump the RPC gas cap to 50M, since 1559 exceeds 25

eth/ethconfig/config.go

@@ -85,7 +85,7 @@ var Defaults = Config{
 		Recommit: 3 * time.Second,
 	},
 	TxPool:      core.DefaultTxPoolConfig,
-	RPCGasCap:   25000000,
+	RPCGasCap:   50000000,
 	GPO:         FullNodeGPO,
 	RPCTxFeeCap: 1, // 1 ether
 }