test(server): switch to vmForks due to better error reporting

apps/server/vite.config.mts

@@ -27,6 +27,6 @@ export default defineConfig(() => ({
       provider: 'v8' as const,
       reporter: [ "text", "html" ]
     },
-    pool: "threads"
+    pool: "vmForks"
   },
 }));