updated pyproject.toml (#2991)

(cherry picked from commit 29fc61d)

Author: eric-forte-elastic

pyproject.toml

@@ -34,7 +34,8 @@ dependencies = [
 	"marshmallow~=3.13.0",
 	"pywin32 ; platform_system=='Windows'",
 	"pytoml",
-	"PyYAML~=5.3",
+	"PyYAML~=5.3 ; python_version<='3.9'",
+	"PyYAML~=6.0.1 ; python_version>='3.10'",
 	"requests~=2.27",
 	"toml==0.10.0",
 	"typing-inspect==0.8.0",