Check that IPs are convertible to ipv4

If the system receives an IPv6 address, then running the agent with mocks (for example, when running integration tests) can result in panics.

Co-authored-by: Carlos Nihelton <[email protected]>

windows-agent/internal/daemon/daemontestutils/networking_mock.go

@@ -144,7 +144,7 @@ func getLocalPrivateIP() net.IP {
 		return nil
 	}
 	for _, addr := range addrs {
-		if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && ipnet.IP.IsPrivate() {
+		if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && ipnet.IP.IsPrivate() && ipnet.IP.To4() != nil {
 			return ipnet.IP
 		}
 	}