fix: ensure proper destruction of timestamp value in ArvanCloud CloudLogs plugin

Signed-off-by: Javad Nasrolahi <javadnasrolahi13@gmail.com>

Author: javadnasrolahi

plugins/out_arvancloud_cloudlogs/arvancloud_cloudlogs.c

@@ -280,7 +280,9 @@ static int arvancloud_format(struct flb_config *config,
                     time_formatted[s] = '\0';
                     parse_success = FLB_TRUE;
                 }
+            }
 
+            if (timestamp_value) {
                 flb_sds_destroy(timestamp_value);
             }