doc: standardize on "host name" in net.md

Our docs have a mix of "hostname" and "host name" in prose. Let's follow the usage of Unix man pages, RFCs, and most professionally-edited sources, and use "host name" in prose and "hostname" to refer to the command and in code. Lint rule forthcoming. PR-URL: #31326 Refs: #31073 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Author: Trott

doc/api/net.md

@@ -503,13 +503,13 @@ changes:
  description: The `host` parameter is supported now.
 -->
 
-Emitted after resolving the hostname but before connecting.
+Emitted after resolving the host name but before connecting.
 Not applicable to Unix sockets.
 
 *`err`{Error|null} The error object. See [`dns.lookup()`][].
 *`address`{string} The IP address.
 *`family`{string|null} The address type. See [`dns.lookup()`][].
-*`host`{string} The hostname.
+*`host`{string} The host name.
 
 ### Event: `'ready'`
 <!-- YAML