feat: Add Python 3.13 support

.github/workflows/python.yml

@@ -82,7 +82,7 @@ jobs:
         include:
           - # test with the latest dependencies
             os: ubuntu-latest
-            python-version: '3.12'
+            python-version: '3.13'
             toxenv-factors: '-current'
           - # test with the lowest dependencies
             os: ubuntu-latest
@@ -117,7 +117,8 @@ jobs:
       matrix:
         os: ['ubuntu-latest', 'windows-latest', 'macos-13']
         python-version:
-          - "3.12" # highest supported
+          - "3.13" # highest supported
+          - "3.12"
           - "3.11"
           - "3.10"
           - "3.9"
@@ -215,7 +216,7 @@ jobs:
         # see https://github.com/actions/setup-python
         uses: actions/setup-python@v5
         with:
-          python-version: '>=3.8 <=3.12'  # supported version range
+          python-version: '>=3.8 <=3.13'  # supported version range
       - name: Validate Python Environment
         shell: python
         run: |

pyproject.toml

@@ -52,6 +52,7 @@ classifiers = [
   'Programming Language :: Python :: 3.10',
   'Programming Language :: Python :: 3.11',
   'Programming Language :: Python :: 3.12',
+  'Programming Language :: Python :: 3.13',
   'Typing :: Typed',
 ]
 keywords = [

tox.ini

@@ -8,7 +8,7 @@ minversion = 4.0
 envlist =
     flake8
     mypy-{current,lowest}
-    py{312,311,310,39,38}-{allExtras,noExtras}
+    py{313,312,311,310,39,38}-{allExtras,noExtras}
     bandit
 skip_missing_interpreters = True
 usedevelop = False