fix windows ci

Signed-off-by: wep21 <daisuke.nishimatsu1021@gmail.com>

Author: wep21

.github/workflows/testpr.yml

@@ -72,6 +72,8 @@ jobs:
 
     - name: Generate recipes
       shell: bash -l {0}
+      env:
+        PYTHONIOENCODING: utf-8
       run: |
         mkdir -p recipes
         pixi run -v vinca --platform ${{ matrix.platform }} -m -n