Bump Quarto version in CI to 1.6

See #533 for context

Author: penelopeysm

.github/workflows/preview.yml

@@ -34,6 +34,9 @@ jobs:
 
       - name: Set up Quarto
         uses: quarto-dev/quarto-actions/setup@v2
+        with:
+          # Needs Quarto 1.6 to fix #533, which is currently a pre-release version
+          version: pre-release
 
       - name: Restore cached _freeze folder
         id: cache-restore

.github/workflows/publish.yml

@@ -33,6 +33,9 @@ jobs:
 
       - name: Set up Quarto
         uses: quarto-dev/quarto-actions/setup@v2
+        with:
+          # Needs Quarto 1.6 to fix #533, which is currently a pre-release version
+          version: pre-release
 
       - name: Install jq
         run: sudo apt-get install jq