Bugfixes
- UI: Error 400 when empty Max Parallel tasks in project settings
- Added SECURITY.md
- UI: Null pointers in template form
- BACKEND(SMTP): Doesn't work with Azure SMTP (#2688)
- UI: Null pointers in Terraform workspaces page
- UI: Missed Allow limit checkbox in template settings
- BACKEND: Host key checking issue: #2811