Respond with a 404 when requested file is not found instead of crashing

src/controllers/GiteaRepoLatestReleaseController.ts

@@ -32,6 +32,8 @@ export default class GiteaRepoLatestReleaseController extends Controller {
                 data += c;
             });
             r.on('end', async () => {
+                if (r.statusCode === 404) return next(new NotFoundHttpError('file', req.url));
+
                 try {
                     const releases = JSON.parse(data);