fix(autoware_tensorrt_yolox): add missing cstdint include and ament_index_cpp test dependency (#12400)

label.hpp uses uint32_t without including <cstdint>, causing build
failure on Ubuntu 24.04 / ROS 2 Jazzy. test_label.cpp uses
ament_index_cpp but it was not declared as a test dependency.

Signed-off-by: Mete Fatih Cırıt <mfc@autoware.org>

Author: xmfcx

perception/autoware_tensorrt_yolox/include/autoware/tensorrt_yolox/label.hpp

@@ -15,6 +15,7 @@
 #ifndef AUTOWARE__TENSORRT_YOLOX__LABEL_HPP_
 #define AUTOWARE__TENSORRT_YOLOX__LABEL_HPP_
 
+#include <cstdint>
 #include <optional>
 #include <string>
 #include <unordered_map>

perception/autoware_tensorrt_yolox/package.xml

@@ -36,6 +36,7 @@
 
   <exec_depend>autoware_image_transport_decompressor</exec_depend>
 
+  <test_depend>ament_index_cpp</test_depend>
   <test_depend>ament_lint_auto</test_depend>
   <test_depend>autoware_lint_common</test_depend>