do not escape json

Author: cderv

.github/workflows/preview.yml

@@ -134,6 +134,7 @@ jobs:
             docs/**/[^_]*.qmd
             docs/**/[^_]*.md
           json: true
+          escape_json: false
 
       - name: Create custom PR comment
         if: github.event.pull_request || github.event.issue.pull_request