Add v2 endpoints for RUM retention filters. (#541)

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": "2025-03-06 19:05:46.129456",
-            "spec_repo_commit": "b892dbfc"
+            "regenerated": "2025-03-06 21:28:37.526759",
+            "spec_repo_commit": "d6a6faf6"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2025-03-06 19:05:46.145051",
-            "spec_repo_commit": "b892dbfc"
+            "regenerated": "2025-03-06 21:28:37.542319",
+            "spec_repo_commit": "d6a6faf6"
         }
     }
 }