Fix highlight.js v11 API compatibility (#1568)

* Initial plan

* Initial plan for highlight.js upgrade

Co-authored-by: chagong <831821+chagong@users.noreply.github.com>

* Fix highlight.js API usage for v11 compatibility

Co-authored-by: chagong <831821+chagong@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: chagong <831821+chagong@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -2,11 +2,11 @@
 // Licensed under the MIT license.
 
 import * as React from "react";
-import * as hljs from "highlight.js";
+import hljs from "highlight.js";
 import "../../../../../../webview-resources/highlight.css";
 
 export function highlight(content: string): JSX.Element {
-  const highlighted = hljs.highlight("java", content);
+  const highlighted = hljs.highlight(content, { language: "java" });
   return (
     <pre className="hljs d-flex flex-grow-1">
       <code className="hljs flex-grow-1" dangerouslySetInnerHTML={{ __html: highlighted.value }} />