Remove Python version requirement upper bound

Author: Grégoire Deveaux

pyproject.toml

@@ -11,7 +11,7 @@ name="cloudbees-openfeature-provider-python"
 authors=[{name = "CloudBees", email = "[email protected]"}]
 description="CloudBees.com OpenFeature SDK"
 keywords=["CloudBees", "OpenFeature"]
-requires-python= ">=3.8, <3.12"
+requires-python= ">=3.8"
 readme = "README.md"
 dependencies = [
     'rox >= 5.0',