fix: android opening two download stream of the bundle

When calling `u.openStream();` the bundle starts downloading again because of the stream has already open on 9th line above in the `connection.getContentLength();`

android/src/main/java/ee/forgr/capacitor_updater/CapacitorUpdater.java

@@ -450,7 +450,7 @@ private File downloadFile(
     int percent = 0;
     this.notifyDownload(id, 10);
     try (
-      final InputStream is = u.openStream();
+      final InputStream is = connection.getInputStream();
       final DataInputStream dis = new DataInputStream(is);
       final FileOutputStream fos = new FileOutputStream(target)
     ) {