[build] Reflect Python version requirement in wheels

(cherry picked from commit 11abdbc)

Author: vepadulano

pyproject.toml

@@ -3,8 +3,8 @@ requires = ["cmake", "setuptools<72", "wheel", "numpy"]
 
 [project]
 name = "ROOT"
-version = "0.1a9"
-requires-python = ">=3.9"
+version = "0.1a12"
+requires-python = ">=3.10"
 maintainers = [
   {name = "Vincenzo Eduardo Padulano", email = "vincenzo.eduardo.padulano@cern.ch"}
 ]