fix syntax GitHub Actions

Author: Hông-Lan Botterman

.github/workflows/test.yml

@@ -32,6 +32,7 @@ jobs:
           else
             echo "os-matrix=ubuntu-latest" >> $GITHUB_ENV
             echo "python-matrix=3.11" >> $GITHUB_ENV
+          fi
       - name: Checkout
         uses: actions/checkout@v3
       - name: Python