Update to python 3.13 (#278)

.github/workflows/tox.yml

@@ -22,7 +22,7 @@ jobs:
         id: test
         uses: fedora-python/tox-github-action@main
         with:
-          tox_env: py39,py312,lint
+          tox_env: py39,py313,lint
           dnf_install: >-
             --repo fedora --repo updates
               krb5-devel

.readthedocs.yaml

@@ -8,7 +8,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.12"
+    python: "3.13"
     # You can also specify other tool versions:
     # nodejs: "20"
     # rust: "1.70"

tox.ini

@@ -1,13 +1,13 @@
 [tox]
-envlist = py39,py312,lint
+envlist = py39,py313,lint
 
 [testenv]
 setenv =
     DEFAULT_FROM = [email protected]
     DEFAULT_SERVER = mock_server
     INITIALIZE=1
 basepython =
-    py312: python3.12
+    py313: python3.13
     py39: python3.9
 deps =
     -r{toxinidir}/requirements.txt
@@ -16,11 +16,11 @@ sitepackages = True
 allowlist_externals = /usr/bin/flake8
 commands =
     coverage run -m pytest {posargs} --ignore=tests/integration_tests
-# Add the following line locally to get an HTML report --cov-report html:htmlcov-py312
+# Add the following line locally to get an HTML report --cov-report html:htmlcov-py313
 
 [testenv:lint]
 skip_install = true
-basepython = python3.12
+basepython = python3.13
 deps =
     flake8
 commands =