As Github as not officially released 3.13 yet use latest dev version

Author: sliverc

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13-dev"]
     env:
       PYTHON: ${{ matrix.python-version }}
     steps:
@@ -28,7 +28,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install tox
       - name: Run tox targets for ${{ matrix.python-version }}
-        run: tox run -f py$(echo ${{ matrix.python-version }} | tr -d .)
+        run: tox run -f py$(echo ${{ matrix.python-version }} | tr -d . | cut -f 1 -d '-')
       - name: Upload coverage report
         uses: codecov/codecov-action@v4
         with: