fix type errors

apps/app/src/features/growi-plugin/server/services/growi-plugin/growi-plugin.ts

@@ -202,7 +202,7 @@ export class GrowiPluginService implements IGrowiPluginService {
   private async unzip(zipFilePath: fs.PathLike, destPath: fs.PathLike): Promise<void> {
     try {
       const stream = fs.createReadStream(zipFilePath);
-      const unzipFileStream = stream.pipe(unzipStream.Extract({ path: destPath }));
+      const unzipFileStream = stream.pipe(unzipStream.Extract({ path: destPath.toString() }));
 
       await streamToPromise(unzipFileStream);
     }