Update javascript/ql/lib/change-notes/2026-04-12-vercel-node.md

Co-authored-by: Asger F <asgerf@github.com>

Author: murderteeth

javascript/ql/lib/change-notes/2026-04-12-vercel-node.md

@@ -1,4 +1,4 @@
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-category: newFeature
+category: feature
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 * Added support for [`@vercel/node`](https://www.npmjs.com/package/@vercel/node) Vercel serverless functions. Handlers are recognized via the `VercelRequest`/`VercelResponse` TypeScript parameter types, and standard security queries (`js/reflected-xss`, `js/request-forgery`, `js/sql-injection`, `js/command-line-injection`, etc.) now detect vulnerabilities in Vercel API route files.