need 3.12 for generic types

.readthedocs.yaml

@@ -3,7 +3,7 @@ version: 2
 build:
   os: "ubuntu-20.04"
   tools:
-    python: "3.10"
+    python: "3.12"
   jobs:
     post_create_environment:
       - python -m pip install sphinx_rtd_theme myst-parser

pyproject.toml

@@ -6,7 +6,7 @@ authors = [
 ]
 description = 'High-performance processing and analysis of non-hierarchical VLSI designs'
 readme = "README.md"
-requires-python = ">=3.10,<3.14"
+requires-python = ">=3.12,<3.14"
 dependencies = [
     "numpy>=1.17.0",
     "lark>=1.3.0",