send health report as support@ubicast.eu instead of noreply@ubicast.eu because...

send health report as support@ubicast.eu instead of noreply@ubicast.eu because the mail is never delivered to mailing lists, refs #20849

tester.py

@@ -348,7 +348,7 @@ class Tester():
                 log('No recipients defined for email sending. Set a value for EMAIL_ADMINS.')
                 return 1
             boundary = str(uuid.uuid4())
-            mail = '''From: %(hostname)s <noreply@ubicast.eu>
+            mail = '''From: %(hostname)s <support@ubicast.eu>
 To: %(recipients)s
 Subject: %(mediaserver_name)s (%(hostname)s) MediaServer health report: %(status)s
 Mime-Version: 1.0