officially support newer versions of python (#135)

* test on `python=3.12`

* add classifiers

* add `python=3.13`

Author: keewis

.github/workflows/ci.yaml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         sphinx-version: ["5.3", "6.0", "6.1"]
 
     steps:

pyproject.toml

@@ -7,6 +7,16 @@ authors = [
 ]
 readme = "README.rst"
 requires-python = ">=3.9"
+classifiers = [
+  "License :: OSI Approved :: MIT",
+  "Operating System :: OS Independent",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+]
 dependencies = [
   "sphinx >= 5.3",
 ]