fix: readFile encoding

Author: simonhaenisch

src/lib/read-file.ts

@@ -7,4 +7,4 @@ import iconv from 'iconv-lite';
  * Uses iconv-lite to solve some issues with Windows encodings.
  */
 export const readFile = async (file: string, encoding = 'utf-8') =>
-	/utf-?8/i.test(encoding) ? fs.readFile(file, { encoding }) : iconv.decode(await fs.readFile(file), encoding);
+	/utf-?8/i.test(encoding) ? fs.readFile(file, { encoding: 'utf-8' }) : iconv.decode(await fs.readFile(file), encoding);