Add the policy name to the audit logs tags when doing policy-based API calls. Add retention settings to tags (#20638)

* Add the policy name to the audit log tags when doing policy-based API calls

* Audit log the retention settings requested in the API call

* Audit log of retention on PutObjectRetention API path too

cmd/object-handlers.go

@@ -2899,6 +2899,8 @@ func (api objectAPIHandlers) PutObjectRetentionHandler(w http.ResponseWriter, r
 		writeErrorResponse(ctx, w, apiErr, r.URL)
 		return
 	}
+	reqInfo := logger.GetReqInfo(ctx)
+	reqInfo.SetTags("retention", objRetention.String())
 
 	opts, err := getOpts(ctx, r, bucket, object)
 	if err != nil {