Complete Observability Pipelines API (#625)

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

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

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2025-04-29 16:12:54.103560",
-            "spec_repo_commit": "22937387"
+            "regenerated": "2025-04-29 18:57:42.269886",
+            "spec_repo_commit": "d1252b21"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2025-04-29 16:12:54.119260",
-            "spec_repo_commit": "22937387"
+            "regenerated": "2025-04-29 18:57:42.285613",
+            "spec_repo_commit": "d1252b21"
         }
     }
 }