CI: Disable firewall on Windows before running tests

Author: amotl

.github/workflows/main.yml

@@ -65,5 +65,8 @@ jobs:
             bin/coverage run bin/test-quick -vv1
           fi
           if [[ ${{ matrix.os }} = "windows-latest" && ${{ matrix.sqla-version }} = "1.3.20" ]]; then
+            # Disable firewall.
+            netsh advfirewall set allprofiles state off
+            # Run tests.
             bin/test-quick -vv1
           fi