fix: replace invalid anchor with button in PageLinks

Author: mr-baraiya

src/components/PageLinks/PageLinks.jsx

@@ -26,9 +26,9 @@ export default function PageLinks({ page = {} }) {
         Edit this page
       </a>
       <Separator />
-      <a className={classes} onClick={_handlePrintClick}>
+      <button type="button" className={classes} onClick={_handlePrintClick}>
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-      </a>
+      </button>
       {page.repo ? (
         <>
           <Separator />