Merge pull request #1945 from EliahKagan/wsl-alpine

Use Alpine Linux in WSL on CI

Author: Byron

.github/workflows/pythonpackage.yml

@@ -42,7 +42,8 @@ jobs:
       if: startsWith(matrix.os, 'windows')
       uses: Vampire/setup-wsl@v3.1.1
       with:
-        distribution: Debian
+        distribution: Alpine
+        additional-packages: bash
 
     - name: Prepare this repo for tests
       run: |