do not use deno to build quarto-preview.js

Author: cscheid

src/webui/quarto-preview/.gitignore

@@ -1,2 +1 @@
-dist/
 node_modules/

src/webui/quarto-preview/build.ts

@@ -68,6 +68,6 @@ if (!build) {
 
 console.log("Building quarto-preview.js");
 console.log("Installing...");
-await run(["install", "--allow-scripts"], false);
+await run(["install"], false);
 console.log("Building...");
-await run(["task", "build"], false);
+await run(["run", "build"], false);