Update of TFDS to PwC links.

PiperOrigin-RevId: 774805007

Author: The TensorFlow Datasets Authors

tensorflow_datasets/scripts/documentation/tfds_to_pwc_links.json

@@ -120,7 +120,7 @@
   "newsroom": "https://paperswithcode.com/dataset/newsroom",
   "nsynth": "https://paperswithcode.com/dataset/nsynth",
   "nyu_depth_v2": "https://paperswithcode.com/dataset/nyuv2",
-  "omniglot": "https://paperswithcode.com/dataset/omniglot-1",
+  "omniglot": "https://paperswithcode.com/dataset/onmiglot",
   "open_images_v4": "https://paperswithcode.com/dataset/open-images-v4",
   "openbookqa": "https://paperswithcode.com/dataset/openbookqa",
   "opinosis": "https://paperswithcode.com/dataset/opinosis",