Revert "Included python 3.9 in supported versions."

This reverts commit e28c243.

Author: sbyrne-sf

poetry.lock

@@ -20,7 +20,7 @@ dynamic = ["version"]
 license = "Apache-2.0"
 name = "salesforce-data-customcode"
 readme = "README.md"
-requires-python = ">=3.9,<3.12"
+requires-python = ">=3.10,<3.12"
 version = "0.1.0"
 
 [tool.black]