alertmanager notification messages to new workflow based Teams Channel webhooks

[95438]

What did you do?
Configured new worklfows in powerautomate to use with MS Teams channel. Generated a new webhook URL , updated the alertmanager config, but the new alerts are not sent to the Teams Channel
What did you expect to see?
alertmanager messages to be delivered to the Teams channel via the workflow baed webhook
What did you see instead? Under which circumstances?
messages to teams channel not delivered
Environment
production

• System information:

  insert output of uname -srm here

• Alertmanager version:

  insert output of alertmanager --version here (repeat for each alertmanager
  version in your cluster, if relevant to the issue)

• Prometheus version:

  insert output of prometheus --version here (repeat for each prometheus
  version in your cluster, if relevant to the issue)

• Alertmanager configuration file:

insert configuration here

• Prometheus configuration file:

insert configuration here (if relevant to the issue)

• Logs:

insert Prometheus and Alertmanager logs relevant to the issue here