Merge pull request #20 from gpodder/update/3.13

update to python 3.13

Author: elelay

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
       - uses: actions/checkout@v3
@@ -43,7 +43,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: '3.13'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip