enhance: ignore nextjs version fetch error in dev overlay (#66271)
### What
It's not helpful to see the network issue of fetching error on reading
nextjs version in dev overlay
### Why
Error case:
<img width="400"
src="https://github.com/vercel/next.js/assets/4800338/a7852d9b-1f98-4098-8498-a3b832efdbb0">
This should just be ignored, it's fine that the fetching is failed.
There're so many fetch errors code, it's easy to try-catch on fetch
instead of enumerate all the codes