Attempt to install quarto-cli in test workflow

Author: vezwork

.github/workflows/test.yaml

@@ -25,6 +25,8 @@ jobs:
           sudo apt-get -y update
           sudo apt-get -y install --fix-missing xvfb
 
+      - uses: quarto-dev/quarto-actions/setup@v2
+
       - name: Build vscode extension
         run: |
           cd apps/vscode