set maximum supported python version

currently pyo3 v0.21 is used which does not support python 3.13 yet

Author: niklasmueboe

pyproject.toml

@@ -8,7 +8,7 @@ name            = "sainsc"
 description     = "Segmentation-free Analysis of In Situ Capture data"
 readme          = { file = "README.md", content-type = "text/markdown" }
 license         = { file = "LICENSE" }
-requires-python = ">=3.10"
+requires-python = ">=3.10,<3.13"
 dynamic         = ["version"]
 
 authors = [