Update dependency python to 3.14

Author: renovate[bot]

.github/workflows/cipher-tests.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.14"
       - name: Install sqlcipher system library
         run: |
           sudo apt-get update

.github/workflows/policy-e2e.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.11"
+          python-version: "3.14"
       - run: pip install -e ".[test]"
       # Cross-repo policy stack (published prereleases) + hivescope with db= injection
       - run: >-