MAINT: Change email to cloud-support

Change alert email address to cloud-support rather than my email.

Author: khalford

chatops_deployment/ansible/roles/alertmanager/templates/alertmanager.yml.j2

@@ -15,4 +15,4 @@ receivers:
   - name: "email-receiver"
     email_configs:
       - send_resolved: false
-        to: "kalibh.halford@stfc.ac.uk"
+        to: "cloud-support@stfc.ac.uk"