release(aws): 1.4.0 (#914)

Author: michaelnchin

libs/aws/pyproject.toml

@@ -9,7 +9,7 @@ license = {text = "MIT"}
 readme = "README.md"
 authors = []
 
-version = "1.3.1"
+version = "1.4.0"
 requires-python = ">=3.10"
 dependencies = [
     "langchain-core>=1.2.15",