[ADAP-471] Set Up Secrets in GitHub

[emmyoop]

This is a living list. More secrets could be added/removed. They will need to be setup by an admin (Nate) in dbt-spark. Currently they live in CircleCi.

• [ ] Ensure environment variable is updated: AWS_ACCESS_KEY_ID_STAGING
• [ ] Ensure environment variable is updated: AWS_SECRET_ACCESS_KEY_STAGING
• [ ] Ensure environment variable is updated: DBT_DATABRICKS_CLUSTER_NAME
• [ ] Ensure environment variable is updated: DBT_DATABRICKS_ENDPOINT
• [ ] Ensure environment variable is updated: DBT_DATABRICKS_HOST_NAME
• [ ] Ensure environment variable is updated: DBT_DATABRICKS_TOKEN
• [ ] Ensure environment variable is updated: DBT_DATABRICKS_USER

[emmyoop]

No longer needed because databricks testing is going away