Update mise config to .venv auto loading

Author: jardahrazdera

mise.toml

@@ -1,2 +1,6 @@
 [tools]
-python = "3.11"
+python = "3.11"
+
+[env]
+# Ensure Python 3.11 is used for this project
+_.python.venv = { path = ".venv", create = true }