[client] Replace windows network monitor implementation (#2450)

This new one uses functions from netioapi.h to monitor route changes.
This change ensures that we include routes that point to virtual
interfaces, such as vEthernet created by the Hyper-V Virtual Switch.

client/internal/networkmonitor/monitor_bsd.go

@@ -65,7 +65,7 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
 					continue
 				}
 
-				if !route.Dst.Addr().IsUnspecified() {
+				if route.Dst.Bits() != 0 {
 					continue
 				}