Github action to determine a team's scrummasters and post it in the team discord.
team: a JSON string with and array of string of team member names (minimum 2).
webhook: a discord webhook in the form of an URL.
⚠️ Warning: You should keep the webhook as a github secret.
team: "["Octo", "Cat"]"
webhook: https://discord.com/api/webhooks/32192256368640/aagaxz2cWHb-RfO0iO3fXJKrvMUaY11dsupZHr9_vYCJXs7n5GSpEn