ddns-scripts: Change parameter for myonlineportal

As the default uclient-fetch doesn't support authentication header
and the ddns provider myonlineportal.net support also username and
passwort as url parameter this can be changed.

Signed-off-by: Gerald Hansen <gerald.hansen@cloud.ionos.com>

net/ddns-scripts/files/usr/share/ddns/default/myonlineportal.net.json

@@ -1,11 +1,11 @@
 {
 	"name": "myonlineportal.net",
 	"ipv4": {
-		"url": "http://[USERNAME]:[PASSWORD]@myonlineportal.net/updateddns?hostname=[DOMAIN]&ip=[IP]",
+		"url": "http://myonlineportal.net/updateddns?hostname=[DOMAIN]&ip=[IP]&username=[USERNAME]&password=[PASSWORD]",
 		"answer": "good|nochg"
 	},
 	"ipv6": {
-		"url": "http://[USERNAME]:[PASSWORD]@myonlineportal.net/updateddns?hostname=[DOMAIN]&ip6=[IP]",
+		"url": "http://myonlineportal.net/updateddns?hostname=[DOMAIN]&ip6=[IP]&username=[USERNAME]&password=[PASSWORD]",
 		"answer": "good|nochg"
 	}
 }