move slack secret (#859)

Co-authored-by: colin-rogers-dbt <[email protected]>

Author: Nathaniel May

.github/workflows/release.yml

@@ -225,4 +225,4 @@ jobs:
       status: "failure"
 
     secrets:
-      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_DEV_CORE_ALERTS }}
+      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_DEV_ADAPTER_ALERTS }}