Add Resource SCC V1 Project Notification Config

[vijaykanthm]

Related to http://b/309603080.

Bug Description: https://github.com/hashicorp/terraform-provider-google/issues/16427

Adding new template for SCC API V1 Project Notification Config https://cloud.google.com/security-command-center/docs/reference/rest/v1/projects.notificationConfigs

Release Note Template for Downstream PRs (will be copied)

`google_scc_project_notification_config`