fix: relax python version requirement

Author: kengz

pyproject.toml

@@ -3,7 +3,7 @@ name = "torcharc"
 version = "2.1.2"
 description = "Build PyTorch models by specifying architectures."
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.10"
 dependencies = [
     "pydantic>=2.10.4",
     "pyyaml>=6.0.2",