build(deps): add ofetch and update http tests

- Add 'ofetch' to the list of dependencies in build.config.ts
- Remove unused import of 'afterEach' in http.test.ts

Author: ryanuo

build.config.ts

@@ -20,6 +20,7 @@ export default defineBuildConfig({
     'dayjs',
     'decimal.js',
     'query-string',
+    'ofetch',
   ],
   rollup: {
     emitCJS: true,

test/network/http.test.ts

@@ -1,4 +1,4 @@
-import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
 import { ofetch } from 'ofetch'
 import { fetchWithTimeout, parallelRequests } from '../../src/network/http'