Update CHANGELOG.md

CHANGELOG.md

@@ -1,9 +1,13 @@
 ## dbt-teradata 1.0.0a
 
 ### Features
-
+* dbt-teradata is now compatible with dbt-core 1.8.x
+* dbt-teradata adapter has been decoupled from dbt-core and is now compatible with dbt-adapters >= 1.2.1, dbt-common >= 1.3.0
+* Unit test feature of dbt 1.8 is now supported in dbt-teradata
+* Added support for --empty flag for dry run
 ### Fixes
-
+* Fixed - Collisions in dbt_scd_id while calculating snapshots (https://github.com/Teradata/dbt-teradata/issues/160)
 ### Docs
 
 ### Under the hood
+* Changes in workflow files for better release activity