Show TCP connection info on fetch errors

[magurotuna]

As #24835 illustrates, recent versions of Deno have got unfriendly error messages on fetch errors.
Although this issue itself will be resolved by #24910, it would be even better if the error message could have other bits of information. In particular, TCP/IP level info i.e. src/dest addr and port might be helpful for debugging.

Proposed message format

When TCP/IP info is available

When fetch fails after TCP connection is established, the error message will look like:

TypeError: error sending request from 127.0.0.1:50472 for http://localhost:4444/ (127.0.0.1:4444): client error (SendRequest): connection error: Connection reset by peer (os error 54)

This contains 127.0.0.1:50472 as a source node and 127.0.0.1:4444 as a destination node.

When unavailable

When fetch fails before TCP connection is established, the error message will be like:

TypeError: error sending request for url (https://nonexistent.deno.land/): client error (Connect): dns error: failed to lookup address information: nodename nor servname provided, or not known: failed to lookup address information: nodename nor servname provided, or not known

Note this does not have TCP/IP level connection info.