Update dependency python to 3.14

Author: renovate[bot]

.github/workflows/cd.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.13'
+          python-version: '3.14'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/tox_ci.yml

@@ -8,7 +8,7 @@ jobs:
       - name: Run black
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.14
       - name: install black
         run: pip install "black<23"
       - name: run black