Fixed changelog entry date and sub area

Fixed changelog entry date and sub area, so the entry appears correctly in the Microsoft Graph Changelog.

Author: JarbasHorst

changelog/Microsoft.Teams.Core.json

@@ -5712,9 +5712,9 @@
       "Id": "f9666fc8-6101-4ca6-bd26-3f11395ffc5f",
       "Cloud": "Prod",
       "Version": "v1.0",
-      "CreatedDateTime": "2024-10-08T18:15:55.2254479Z",
+      "CreatedDateTime": "2025-01-14T18:15:55.2254479Z",
       "WorkloadArea": "Teamwork and communications",
-      "SubArea": ""
+      "SubArea": "Messaging"
        },
       {
       "ChangeList": [