fix(fetch): bind fetch to Window object (#45)

* fix: fetch called on non Window object (web-std#65)

```
TypeError: 'fetch' called on an object that does not implement interface Window.
```

* chore: add changeset

---------

Co-authored-by: Alan Shaw <[email protected]>

Author: MichaelDeBoey

.changeset/odd-shoes-add.md

@@ -0,0 +1,5 @@
+---
+"@remix-run/web-fetch": patch
+---
+
+fetch called on non Window object

packages/fetch/src/lib.js

@@ -1,7 +1,4 @@
-
-
 // On the web we just export native fetch implementation
 export { ReadableStream, Blob, FormData  } from './package.js';
 export const { Headers, Request, Response } = globalThis;
-export default globalThis.fetch
-
+export default globalThis.fetch.bind(globalThis)