fix: uv doesn't support PyPy 3.8

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

.github/workflows/test.yml

@@ -35,6 +35,7 @@ jobs:
     needs: lint
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-13, macos-15]
         python_version: ['3.13']

cibuildwheel/platforms/windows.py

@@ -244,7 +244,7 @@ def setup_python(
         raise ValueError(msg)
     assert base_python.exists()
 
-    if build_frontend == "build[uv]" and not can_use_uv(python_configuration):
+    if build_frontend in {"build[uv]", "uv"} and not can_use_uv(python_configuration):
         build_frontend = "build"
 
     use_uv = build_frontend in {"build[uv]", "uv"}