bump the mock date

Author: keewis

.github/workflows/ci.yml

@@ -69,7 +69,7 @@ jobs:
         with:
           policy: policy.yaml
           environment-paths: ${{ matrix.env-paths }}
-          today: 2024-09-05
+          today: 2024-12-20
       - name: detect outcome
         if: always()
         shell: bash -l {0}