🤖 minor bump Python CDK to version 6.4.0

Author: maxi297

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 6.4.0
+Adding parity to concurrent CDK from declarative and fixing composite primary key
+
 ## 6.3.0
  add clear method to HttpMocker
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "airbyte-cdk"
-version = "6.3.0"
+version = "6.4.0"
 description = "A framework for writing Airbyte Connectors."
 authors = ["Airbyte <contact@airbyte.io>"]
 license = "MIT"