fix: site lint issue and x.com og (#1554)

currently og images work but not everywhere. Reason is many sites
require full url and not just path. For example x.com:


https://x.com/union_build/status/1768128432486199652?s=20
![CleanShot 2024-03-13 at 21 19
32](https://github.com/unionlabs/union/assets/23618431/f8852c7d-e6eb-44fb-959a-7f8b2ed146b0)

This pr ensures full url for og images. So now:

![CleanShot 2024-03-13 at 21 17
57](https://github.com/unionlabs/union/assets/23618431/2e3bd9d5-65b7-4537-a870-8af6d139ba90)

Also opengraph.xyz is not reliable so using opengraph.xyz now on
https://opengraph.dev


https://opengraph.dev/panel?url=https%3A%2F%2F829eadc0.docs-19u.pages.dev%2Fblog%2Fconsensus-verification%2F