Update edu.json

Author: adamfowlerit

_data/portals/edu.json

@@ -32,6 +32,10 @@
         "primaryURL": "https://www.microsoft.com/en-us/education/blog/"
          },
         {
+        "portalName": "Microsoft Educatoion Sector Blogs",
+        "primaryURL": "https://techcommunity.microsoft.com/category/educationsector"
+         },
+        {
         "portalName": "Microsoft Education on X",
         "primaryURL": "https://x.com/MicrosoftEDU"
          },