Exclude node-fetch from vite.optimizeDeps (#3348)

* fix: exclude `node-fetch` from vite.optimizeDeps

* chore: format

.changeset/funny-poets-walk.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Update default `vite.optimizeDeps.exclude` to keep `node-fetch` from being optimized

packages/astro/src/core/create-vite.ts

@@ -55,6 +55,7 @@ export async function createVite(
 		logLevel: 'warn', // log warnings and errors only
 		optimizeDeps: {
 			entries: ['src/**/*'], // Try and scan a user’s project (won’t catch everything),
+			exclude: ['node-fetch'],
 		},
 		plugins: [
 			configAliasVitePlugin({ config: astroConfig }),