ci: fix daily run

I migrated our regular tests to use `uv`, but neglected to update
this config too.

Author: mistydemeo

.github/workflows/daily.yaml

@@ -12,9 +12,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.12'
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
 
       - uses: ./.github/workflows/setup