Release 2025.02.27

Added support for bulk syncing Slack Messages and Threads.
Added support for using Attio webhooks when bulk syncing.
Added expanded discounts to Stripe Invoice schema.
External webhooks may now use a different hostname; set EXTERNAL_URL in the environment to control this.

Disabling the sync record log also disabled recording warnings and errors.
Syncing from Towbook could fail due to transient network conditions.
Improved incremental sync peformance for Zendesk ticket metrics.
Airtable errors during record updates are retried if Airtable indicates they can be safely retried.
Creating connections using an SSH tunnel could fail due to timeouts.