Fix TypeScript errors for build

src/app/api/media/[...path]/route.ts

@@ -127,7 +127,7 @@ export async function GET(
     const fileStream = fs.createReadStream(filePath, { start, end });
     const webStream = new ReadableStream({
       start(controller) {
-        fileStream.on('data', (chunk) => controller.enqueue(new Uint8Array(chunk)));
+        fileStream.on('data', (chunk) => controller.enqueue(new Uint8Array(chunk as Buffer)));
         fileStream.on('end', () => controller.close());
         fileStream.on('error', (err) => controller.error(err));
       },