Fix

Author: cwickham

.github/workflows/update-prerelease-reference.yml

@@ -139,6 +139,9 @@ jobs:
             --title "Update reference pages for v${version}" \
             --body "$(cat <<EOF
           Automated update of reference documentation for Quarto prerelease v${version}.
+          
+          EOF
+          )")
 
           echo "pr_url=$pr_url" >> "$GITHUB_OUTPUT"