Update metadata.json (#1589)

updating correct date in metadata file

Author: daniela-angulo

demonstrations_v2/tutorial_quantum_phase_transitions/metadata.json

@@ -8,8 +8,8 @@
             "username": "tirthshah2806"
         }
     ],
-    "dateOfPublication": "2025-07-24T00:00:00+00:00",
-    "dateOfLastModification": "2025-07-24T00:00:00+00:00",
+    "dateOfPublication": "2025-10-27T00:00:00+00:00",
+    "dateOfLastModification": "2025-10-29T00:00:00+00:00",
     "categories": ["Optimization","Quantum Machine Learning"],
     "tags": ["quantum phase transition", "Ising model"],
     "previewImages": [