add message to changelog for #467 (#474)

packages/asset-swapper/CHANGELOG.json

@@ -13,6 +13,10 @@
             {
                 "note": "Offboard Eth2Dai",
                 "pr": 470
+            },
+            {
+                "note": "Add an optional IRfqClient for SwapQuoter#getSwapQuoteAsync",
+                "pr": 467
             }
         ]
     },

packages/asset-swapper/src/swap_quoter.ts

@@ -288,7 +288,7 @@ export class SwapQuoter {
         assetFillAmount: BigNumber,
         marketOperation: MarketOperation,
         options: Partial<SwapQuoteRequestOpts>,
-        rfqClient: IRfqClient | undefined,
+        rfqClient?: IRfqClient | undefined,
     ): Promise<SwapQuote> {
         assert.isETHAddressHex('makerToken', makerToken);
         assert.isETHAddressHex('takerToken', takerToken);