v1.6.0-a1 dbt_stripe

PR #141 is a pre-release that includes the following updates:

Schema/Data Change

2 total changes • 0 possible breaking changes

Data Model(s)	Change type	Old	New	Notes
stg_stripe__subscription_discount	New Staging Model			Staging model for subscription discount data.
stg_stripe__subscription_discount_tmp	New Temp Model

Under the Hood

• Updates int_stripe__subscription_discount to source from the SUBSCRIPTION_DISCOUNT table via the new stg_stripe__subscription_discount staging model, instead of sourcing from the DISCOUNT table via stg_stripe__discount.
• Updates stripe__subscription_item_mrr_report to incorporate discount data from the SUBSCRIPTION_DISCOUNT table rather than the DISCOUNT table.
• Adds integration test seed files subscription_discount_data.csv, subscription_discount_data_snowflake.csv, and subscription_discount_data_postgres.csv.

Full Changelog: v1.5.0...v1.6.0-a1