* Add Checkly Terraform config
* add deployment workflow
* use pagerduty instead of email for notifications
* use terraform cloud backend
* update variable declaration
* rename checkly check group
* update syntax
* test trigger
* Revert "test trigger"
This reverts commit 333e82beac.
* run a single job at a time
Co-authored-by: Cenk Kücük <c@cenk.me>