Update pyproject.toml

Author: metascroy

pyproject.toml

@@ -50,7 +50,7 @@ classifiers = [
 
 # Python dependencies required for use.
 # coremltools has issue with python 3.13, see https://github.com/apple/coremltools/issues/2487 
-requires-python = ">=3.10,<=3.12"
+requires-python = ">=3.10,<3.13"
 dependencies=[
   "expecttest",
   "flatbuffers",