Upgrade back to 3.1.0

To see that the problem comes back.

Author: EliahKagan

.github/workflows/main.yml

@@ -11,6 +11,6 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Set up WSL (Windows)
-      uses: Vampire/setup-wsl@v3.0.0
+      uses: Vampire/setup-wsl@v3.1.0
       with:
         distribution: Debian