Update weather.json

weather.json

 [
     {
     "title": "INCIDENT - Perturbation consultation résultats d'examens - APOWEB",
-    "priority": "critique",
+    "priority": "high",
     "start": "2018-06-19T09:00:43+0100",
     "end": "2018-06-21T16:00:43+0100",
     "duration": 0,