Clarify metrics interval param as expected unit in seconds (#1568)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>
Co-authored-by: api-clients-generation-pipeline[bot] <54105614+api-clients-generation-pipeline[bot]@users.noreply.github.com>

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

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-04-10 15:00:54.233406",
-            "spec_repo_commit": "7e61ac0f"
+            "regenerated": "2024-04-10 17:49:38.783202",
+            "spec_repo_commit": "bb0f8c92"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-04-10 15:00:54.253458",
-            "spec_repo_commit": "7e61ac0f"
+            "regenerated": "2024-04-10 17:49:38.803360",
+            "spec_repo_commit": "bb0f8c92"
         }
     }
 }

.generator/schemas/v1/openapi.yaml

@@ -12143,7 +12143,7 @@ components:
         interval:
           default: null
           description: If the type of the metric is rate or count, define the corresponding
-            interval.
+            interval in seconds.
           example: 20
           format: int64
           nullable: true

packages/datadog-api-client-v1/models/Series.ts

@@ -16,7 +16,7 @@ export class Series {
    */
   "host"?: string;
   /**
-   * If the type of the metric is rate or count, define the corresponding interval.
+   * If the type of the metric is rate or count, define the corresponding interval in seconds.
    */
   "interval"?: number;
   /**