fix: BBC URL pathname check

[HenryQW]

Involved Issue / 该 PR 相关 Issue

Close #15217

Example for the Proposed Route(s) / 路由地址示例

/bbc

New RSS Route Checklist / 新 RSS 路由检查表

• New Route / 新的路由
  • Follows Script Standard / 跟随 路由规范
• Anti-bot or rate limit / 反爬/频率限制
  • If yes, do your code reflect this sign? / 如果有, 是否有对应的措施?
• Date and time / 日期和时间
  • Parsed / 可以解析
  • Correct time zone / 时区正确
• New package added / 添加了新的包
• Puppeteer

Note / 说明

[github-actions]

Successfully generated as following:

http://localhost:1200/bbc - Failed ❌

HTTPError: Response code 503 (Service Unavailable)

Error Message:<br/><code class="mt-2 block max-h-28 overflow-auto bg-zinc-100 align-bottom w-fit details">FetchError: [GET] &quot;https://www.bbc.co.uk/news/world-middle-east-68825752&quot;: 403 Forbidden Edge 5</code>
Route: <code class="ml-2 bg-zinc-100">/bbc/:site?/:channel?</code>
Full Route: <code class="ml-2 bg-zinc-100">/bbc</code>
Node Version: <code class="ml-2 bg-zinc-100">v21.7.3</code>
Git Hash: <code class="ml-2 bg-zinc-100">c81a66cf</code>

[HenryQW]

No idea why the CI gives 503, it works locally. I am merging it anyway.