fixing quarto dependency error

.github/workflows/check-quarto-render.yml

@@ -21,16 +21,19 @@ jobs:
 
     - name: Set up quarto
       uses: quarto-dev/quarto-actions/setup@v2
+
+    - name: Set up R
+      uses: r-lib/actions/setup-r@v2
 
     - name: Install system dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -y pandoc
-        Rscript -e "install.packages('quarto')"
+        sudo apt-gt install -y pandoc
+        R -e 'install.packages("quarto", repos="http://cran.rstudio.com/")'
 
     - name: Render quarto website
       run: |
-        quarto render
+        R -e 'library(quarto); quarto::quarto render()'
 
     - name: Upload check results
       if: failure()