Require uv 0.1.15 or newer (astral-sh/uv#2203)

.github/workflows/test.yml

@@ -196,7 +196,7 @@ jobs:
           python-version: '3.10'
 
       - name: Install build tools
-        run: python -m pip install -U 'uv>=0.1.13'
+        run: python -m pip install -U 'uv>=0.1.15'
 
       - name: Set up Python deps
         run: uv pip install --system --resolution=lowest-direct -e '.[test]'