Update Web-GUI to 4.0.1

[Oberacda]

See details: https://github.com/fzi-forschungszentrum-informatik/ros2_ros_bt_py_web_gui/tree/4.0.1

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.76%. Comparing base (290c875) to head (14ecf83).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #177   +/-   ##
=======================================
  Coverage   33.76%   33.76%           
=======================================
  Files          40       40           
  Lines        5977     5977           
  Branches     1361     1361           
=======================================
  Hits         2018     2018           
- Misses       3904     3910    +6     
+ Partials       55       49    -6     

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