Update exercises/baffling-birthdays/canonical-data.json

Co-authored-by: Anastasios Chatzialexiou <[email protected]>

Author: ErikSchierboom

exercises/baffling-birthdays/canonical-data.json

@@ -160,7 +160,7 @@
       "input": {
         "groupSize": 23
       },
-      "expected": 50.7
+      "expected": 50.729723
     },
     {
       "uuid": "e43e6b9d-d77b-4f6c-a960-0fc0129a0bc5",