vision_msgs in stag_detect CMakelists.txt and use default C++ instead of C++11

[lucasw]

Use default C++ instead of C++11 which avoids '‘std::shared_mutex’ is only available from C++17 onwards' error on 22.04

[aldajo92]

Without this changes, the building process for the packagestag_detect throws this error:

Errors     << stag_detect:make /catkin_ws/logs/stag_detect/build.make.000.log  
In file included from /catkin_ws/src/fiducials/stag_detect/src/stag_ros/stag_detect.cpp:31:
/catkin_ws/src/fiducials/stag_detect/include/stag_ros/stag_node.h:36:10: fatal error: vision_msgs/Detection2D.h: No such file or directory
 #include "vision_msgs/Detection2D.h"
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/stag_detect.dir/build.make:63: CMakeFiles/stag_detect.dir/src/stag_ros/stag_detect.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:134: CMakeFiles/stag_detect.dir/all] Error 2
make: *** [Makefile:141: all] Error 2