Update dependency python to v3.15.0

Author: renovate[bot]

.github/workflows/actions.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Python environment
         uses: actions/setup-python@v7
         with:
-          python-version: 3.14.8
+          python-version: 3.15.0
 
       - name: Install obscura
         run: |