fix(fetch): import Buffer from 'buffer' (#90)

* refactor: import buffer

* chore: fix changeset

---------

Co-authored-by: Amour1688 <[email protected]>

Author: MichaelDeBoey

.changeset/refactor-fetch.md

@@ -0,0 +1,5 @@
+---
+"@web-std/fetch": patch
+---
+
+Import `Buffer` from `'buffer'`

packages/fetch/src/fetch.js

@@ -12,6 +12,7 @@ import zlib from 'zlib';
 import fs from 'fs';
 import * as mime from 'mrmime'
 import dataUriToBuffer from 'data-uri-to-buffer';
+import {Buffer} from 'buffer';
 
 import {writeToStream, fromAsyncIterable} from './body.js';
 import Response from './response.js';