fix: use ethers package name (#634)

Author: shanejonas

docs/flashbots-auction/quick-start.mdx

@@ -55,7 +55,7 @@ Next, you need a means to communicate with the Flashbots network. The Flashbots
 <TabItem value="ethers.js">
 
 ```ts
-const ethers = require("ethers.js");
+const { ethers } = require("ethers");
 const {
   FlashbotsBundleProvider,
 } = require("@flashbots/ethers-provider-bundle");
@@ -217,7 +217,7 @@ Now that we have a private key to identify ourselves with and a Flashbots provid
 <TabItem value="ethers.js">
 
 ```js
-const ethers = require("ethers.js");
+const { ethers } = require("ethers");
 const {
   FlashbotsBundleProvider,
 } = require("@flashbots/ethers-provider-bundle");