thanks microsoft for paying for this

.github/workflows/ci.yaml

@@ -8,7 +8,9 @@ on:
 jobs:
   rustfmt:
     name: Check rustfmt
-    runs-on: ubuntu-latest
+    # this is pretty weird, but `winit` requires a backend on linux
+    # and we don't specify that at all and just let end users do that
+    runs-on: windows-latest
     if: github.ref == 'refs/heads/main'
     steps:
       - name: Checkout