Add incident management seats to spec (DataDog#3469)

Co-authored-by: ci.datadog-api-spec <[email protected]>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v1/openapi.yaml

@@ -21196,6 +21196,11 @@ components:
             users over all hours in the current date for all organizations.
           format: int64
           type: integer
+        incident_management_seats_hwm:
+          description: Shows the high-water mark of Incident Management seats over
+            all hours on the current date for all organizations.
+          format: int64
+          type: integer
         indexed_events_count_sum:
           description: Shows the sum of all log events indexed over all hours in the
             current date for all organizations.
@@ -22312,6 +22317,11 @@ components:
             users over all hours in the current date for the given org.
           format: int64
           type: integer
+        incident_management_seats_hwm:
+          description: Shows the high-water mark of Incident Management seats over
+            all hours on the current date for the given organization.
+          format: int64
+          type: integer
         indexed_events_count_sum:
           deprecated: true
           description: Shows the sum of all log events indexed over all hours in the
@@ -23429,6 +23439,11 @@ components:
             active users in the current month for all organizations.
           format: int64
           type: integer
+        incident_management_seats_hwm_sum:
+          description: Shows the sum of the high-water marks of Incident Management
+            seats over all hours in the current month for all organizations.
+          format: int64
+          type: integer
         indexed_events_count_agg_sum:
           deprecated: true
           description: Shows the sum of all log events indexed over all hours in the