Update documentation for customers clarifying that our post endpoint is avail in fed (DataDog#2543)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

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

.generated-info

@@ -1,4 +1,4 @@
 {
-  "spec_repo_commit": "2ffdc3f",
-  "generated": "2025-07-16 19:14:13.100"
+  "spec_repo_commit": "671ba51",
+  "generated": "2025-07-16 20:16:53.066"
 }

.generator/schemas/v2/openapi.yaml

@@ -48677,9 +48677,7 @@ paths:
         for more details.\n\n\u274C For use cases involving other event categories,
         use the V1 endpoint or reach out to [support](https://www.datadoghq.com/support/).\n\n\u274C
         Notifications are not yet supported for events sent to this endpoint. Use
-        the V1 endpoint for notification functionality.\n\n\u274C This endpoint is
-        not available for the Government (US1-FED) site. Contact your account representative
-        for more information."
+        the V1 endpoint for notification functionality."
       operationId: CreateEvent
       requestBody:
         content:

lib/datadog_api_client/v2/api/events_api.rb

@@ -43,8 +43,6 @@ def create_event(body, opts = {})
     #
     # ❌ Notifications are not yet supported for events sent to this endpoint. Use the V1 endpoint for notification functionality.
     #
-    # ❌ This endpoint is not available for the Government (US1-FED) site. Contact your account representative for more information.
-    #
     # @param body [EventCreateRequestPayload] Event creation request payload.
     # @param opts [Hash] the optional parameters
     # @return [Array<(EventCreateResponsePayload, Integer, Hash)>] EventCreateResponsePayload data, response status code and response headers