Fix workflow for py3.10 (NOT 3.1)

Author: trappitsch

.github/workflows/release_windows.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-2019
     strategy:
       matrix:
-        python-version: [3.10]
+        python-version: ["3.10"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v2