Fix URL in Croissant citeAs

croissant.json

@@ -48,8 +48,8 @@
   "name": "ELCC",
   "description": "ELCC is a collection of emergent language corpora with accompanying metadata and analyses.",
   "conformsTo": "http://mlcommons.org/croissant/1.0",
-  "citeAs": "@misc{boldt2024elcc,\n  title = \"{ELCC}: the Emergent Language Corpus Collection\",\n  author = \"Brendon Boldt and David Mortensen\",\n  year = 2024,\n  url = \"\",\n}",
-  "datePublished": "2024-06-05 23:00:19.121884+00:00",
+  "citeAs": "@misc{boldt2024elcc,\n  title = \"{ELCC}: the Emergent Language Corpus Collection\",\n  author = \"Brendon Boldt and David Mortensen\",\n  year = 2024,\n  url = \"https://huggingface.co/datasets/bboldt/elcc\",\n}",
+  "datePublished": "2024-06-06 00:34:17.083028+00:00",
   "keywords": [
     "emergent communication",
     "emergent language",

util/croissant.py

@@ -18,7 +18,7 @@ metadata = mlc.Metadata(
       title = "{ELCC}: the Emergent Language Corpus Collection",
       author = "Brendon Boldt and David Mortensen",
       year = 2024,
-      url = "",
+      url = "https://huggingface.co/datasets/bboldt/elcc",
     }"""
     ),
     version="0.1.0",