Make advisory column an anchor link to errata page

This lets users middle click to open errata in a new tab or right click to copy the URL.

<img width="486" height="191" alt="Image" src="https://github.com/user-attachments/assets/fbf6f0a4-d21e-478f-b445-f96d1803814e" />
<img width="486" height="191" alt="Image" src="https://github.com/user-attachments/assets/7ef07b24-bd51-4adc-9d4f-399651d1a8d7" />