Use ! in place of not keyword for Pilz and CHOMP planners

[traversaro]

Description

While compiling this package on Windows (see RoboStack/ros-humble#241), the Windows compilation was failing as depending on the compilation options not may not be supported in MSVC depending on the compilation options.

Anyhow, as everywhere else in the code ! is used, I think it make sense to be consistent and use ! also here.

Checklist

• Required by CI: Code is auto formatted using clang-format
• Extend the tutorials / documentation reference
• Document API changes relevant to the user in the MIGRATION.md notes
• Create tests, which fail without this PR reference
• Include a screenshot if changing a GUI
• While waiting for someone to review your request, please help review another open pull request to support the maintainers

[JafarAbdi]

Thanks! I replaced another usage of not in chomp_planner as well!

[sea-bass]

Nice -- thank you!

Fixing the PR title then we can merge

[traversaro]

Thanks for the super-fast feedback!

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 45.65%. Comparing base (932c192) to head (a6e9213).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...s/chomp/chomp_motion_planner/src/chomp_planner.cpp	0.00%	1 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3217      +/-   ##
==========================================
+ Coverage   45.64%   45.65%   +0.01%     
==========================================
  Files         714      714              
  Lines       62297    62299       +2     
  Branches     7529     7530       +1     
==========================================
+ Hits        28432    28436       +4     
+ Misses      33699    33696       -3     
- Partials      166      167       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.