[Notifier] Update FreeMobile DSN

Author: ker0x

notifier.rst

@@ -71,7 +71,7 @@ AmazonSns       ``symfony/amazon-sns-notifier``       ``sns://ACCESS_KEY:SECRET_
 Clickatell      ``symfony/clickatell-notifier``       ``clickatell://ACCESS_TOKEN@default?from=FROM``
 Esendex         ``symfony/esendex-notifier``          ``esendex://USER_NAME:PASSWORD@default?accountreference=ACCOUNT_REFERENCE&from=FROM``
 FakeSms         ``symfony/fake-sms-notifier``         ``fakesms+email://MAILER_SERVICE_ID?to=TO&from=FROM`` or ``fakesms+logger://default``
-FreeMobile      ``symfony/free-mobile-notifier``      ``freemobile://LOGIN:PASSWORD@default?phone=PHONE``
+FreeMobile      ``symfony/free-mobile-notifier``      ``freemobile://LOGIN:API_KEY@default?phone=PHONE``
 GatewayApi      ``symfony/gateway-api-notifier``      ``gatewayapi://TOKEN@default?from=FROM``
 Infobip         ``symfony/infobip-notifier``          ``infobip://AUTH_TOKEN@HOST?from=FROM``
 Iqsms           ``symfony/iqsms-notifier``            ``iqsms://LOGIN:PASSWORD@default?from=FROM``