fix: correctly parse falsy js as title (#900)

Eiko Wagenknecht

2024-02-19 b6cf3df84f452c22ac9ddaf452b0ecbe0828086f

 quartz/plugins/transformers/gfm.ts

@@ -32,6 +32,7 @@
            {
              behavior: "append",
              properties: {
                role: "anchor",
                ariaHidden: true,
                tabIndex: -1,
                "data-no-popover": true,