Add llm_spans and deprecate llm_observability for Hourly Usage Attribution and Monthly Usage Attribution (#2850)

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

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

.generator/schemas/v1/openapi.yaml

@@ -4315,6 +4315,7 @@ components:
       - invocations_usage
       - lambda_traced_invocations_usage
       - llm_observability_usage
+      - llm_spans_usage
       - logs_indexed_15day_usage
       - logs_indexed_180day_usage
       - logs_indexed_1day_usage
@@ -4396,6 +4397,7 @@ components:
       - INVOCATIONS_USAGE
       - LAMBDA_TRACED_INVOCATIONS_USAGE
       - LLM_OBSERVABILITY_USAGE
+      - LLM_SPANS_USAGE
       - LOGS_INDEXED_15DAY_USAGE
       - LOGS_INDEXED_180DAY_USAGE
       - LOGS_INDEXED_1DAY_USAGE
@@ -8752,6 +8754,8 @@ components:
       - lambda_traced_invocations_percentage
       - llm_observability_usage
       - llm_observability_percentage
+      - llm_spans_usage
+      - llm_spans_percentage
       - mobile_app_testing_percentage
       - mobile_app_testing_usage
       - ndm_netflow_usage
@@ -8909,6 +8913,8 @@ components:
       - LAMBDA_TRACED_INVOCATIONS_PERCENTAGE
       - LLM_OBSERVABILITY_USAGE
       - LLM_OBSERVABILITY_PERCENTAGE
+      - LLM_SPANS_USAGE
+      - LLM_SPANS_PERCENTAGE
       - MOBILE_APP_TESTING_USAGE
       - MOBILE_APP_TESTING_PERCENTAGE
       - NDM_NETFLOW_USAGE
@@ -9329,6 +9335,14 @@ components:
           description: The LLM Observability usage by tag(s).
           format: double
           type: number
+        llm_spans_percentage:
+          description: The percentage of LLM Spans usage by tag(s).
+          format: double
+          type: number
+        llm_spans_usage:
+          description: The LLM Spans usage by tag(s).
+          format: double
+          type: number
         logs_indexed_15day_percentage:
           description: The percentage of Indexed Logs (15-day Retention) usage by
             tag(s).
@@ -36599,7 +36613,10 @@ paths:
         code example:\n\n```\nresponse := GetHourlyUsageAttribution(start_month)\ncursor
         := response.metadata.pagination.next_record_id\nWHILE cursor != null BEGIN\n
         \ sleep(5 seconds)  # Avoid running into rate limit\n  response := GetHourlyUsageAttribution(start_month,
-        next_record_id=cursor)\n  cursor := response.metadata.pagination.next_record_id\nEND\n```"
+        next_record_id=cursor)\n  cursor := response.metadata.pagination.next_record_id\nEND\n```\nThe
+        following values have been **deprecated**:\n    `estimated_indexed_spans_usage`,
+        `estimated_indexed_spans_percentage`, `estimated_ingested_spans_usage`, `estimated_ingested_spans_percentage`,
+        `llm_observability_usage`, `llm_observability_percentage`."
       operationId: GetHourlyUsageAttribution
       parameters:
       - description: 'Datetime in ISO-8601 format, UTC, precise to hour: `[YYYY-MM-DDThh]`
@@ -37178,7 +37195,7 @@ paths:
           The following values have been **deprecated**:
 
           `estimated_indexed_spans_usage`, `estimated_indexed_spans_percentage`, `estimated_ingested_spans_usage`,
-          `estimated_ingested_spans_percentage`.'
+          `estimated_ingested_spans_percentage`, `llm_observability_usage`, `llm_observability_percentage`.'
         in: query
         name: fields
         required: true