Add support for python 3.12 (#336)

Related: ansible/team-devtools#143

.github/workflows/tox.yml

@@ -23,7 +23,7 @@ jobs:
         uses: coactions/dynamic-matrix@v1
         with:
           min_python: "3.9"
-          max_python: "3.11"
+          max_python: "3.12"
           other_names: |
             lint
             docs

pyproject.toml

@@ -27,6 +27,7 @@ classifiers = [
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Programming Language :: Python",
   "Topic :: System :: Systems Administration",
   "Topic :: Software Development :: Bug Tracking",
@@ -119,7 +120,12 @@ disable = [
 
 [tool.pytest.ini_options]
 # ensure we treat warnings as error
-filterwarnings = ["error"]
+filterwarnings = [
+  "error",
+  # py312 ansible-core
+  # https://github.com/ansible/ansible/issues/81906
+  "ignore:'importlib.abc.TraversableResources' is deprecated and slated for removal in Python 3.14:DeprecationWarning",
+]
 testpaths = ["test"]
 
 [tool.ruff]