fix: mermaid rendering fix from upstream

Jacky Zhao

2023-12-19 9b9d86474bedd244daa45f4d76704b182d6a99ad

 quartz/plugins/transformers/gfm.ts

@@ -31,6 +31,11 @@
            rehypeAutolinkHeadings,
            {
              behavior: "append",
              properties: {
                ariaHidden: true,
                tabIndex: -1,
                "data-no-popover": true,
              },
              content: {
                type: "text",
                value: " §",