Regenerate client from commit 8f6f858 of spec repo

Author: ci.datadog-api-spec

.generator/schemas/v2/openapi.yaml

@@ -151822,7 +151822,7 @@ paths:
         **Note**: This endpoint is in beta and may be subject to changes.
         Please check the documentation regularly for updates.
   /api/v2/siem-historical-detections/histsignals/search:
-    get:
+    post:
       description: Search hist signals.
       operationId: SearchSecurityMonitoringHistsignals
       requestBody:
@@ -151874,6 +151874,7 @@ paths:
             - security_monitoring_signals_read
       summary: Search hist signals
       tags: ["Security Monitoring"]
+      x-codegen-request-body-name: body
       "x-permission":
         operator: OR
         permissions:

src/datadog_api_client/v2/api/security_monitoring_api.py

@@ -3075,7 +3075,7 @@ def __init__(self, api_client=None):
                 "auth": ["apiKeyAuth", "appKeyAuth", "AuthZ"],
                 "endpoint_path": "/api/v2/siem-historical-detections/histsignals/search",
                 "operation_id": "search_security_monitoring_histsignals",
-                "http_method": "GET",
+                "http_method": "POST",
                 "version": "v2",
             },
             params_map={