Run site snapshot CI on Python 3.14

Author: MaxGhenis

.github/workflows/site-snapshot.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       - name: Set up uv
         uses: astral-sh/setup-uv@v6