analytics: add updated_at to insight

Author: denchenko

analytics.asyncapi.yaml

@@ -374,6 +374,10 @@ components:
             type: string
             format: date-time
             description: When the insight was created
+          updadet_at:
+            type: string
+            format: date-time
+            description: When the insight was updated
           metadata:
             $ref: '#/components/schemas/Metadata'
         required:
@@ -384,6 +388,7 @@ components:
           - description
           - severity
           - created_at
+          - updated_at
 
     AnalyticsAlert:
       name: AnalyticsAlert
@@ -561,4 +566,4 @@ components:
           default: production
       required:
         - source
-        - environment 
+        - environment