chore(deps): update dependency python to 3.14

Author: renovate[bot]

.github/workflows/test-and-deploy.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.13'
+          python-version: '3.14'
       - name: Run thunorbld.py init/testinit
         run: |
           if [[ $DEVFLAG == "--dev" ]]; then python thunorbld.py init; fi