fix: 🐛 allow Dirent~build to accept undefined for the encoding …

…parameter

src/Dirent.ts

@@ -8,7 +8,7 @@ const { S_IFMT, S_IFDIR, S_IFREG, S_IFBLK, S_IFCHR, S_IFLNK, S_IFIFO, S_IFSOCK }
  * A directory entry, like `fs.Dirent`.
  */
 export class Dirent {
-  static build(link: Link, encoding: TEncodingExtended) {
+  static build(link: Link, encoding: TEncodingExtended | undefined) {
     const dirent = new Dirent();
     const { mode } = link.getNode();