Moved TriggerType enum to dedicated file to avoid repetition in hardware component classes

[kumar-sanjeeev]

• Moved TriggerType enum to hardware_interface_trigger_type.hpp, to avoid repetition across hardware components classes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.10%. Comparing base (612b30b) to head (3b5bc2d).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1962      +/-   ##
==========================================
- Coverage   88.13%   88.10%   -0.03%     
==========================================
  Files         121      121              
  Lines       13163    13165       +2     
  Branches     1183     1183              
==========================================
- Hits        11601    11599       -2     
- Misses       1129     1132       +3     
- Partials      433      434       +1     

Flag	Coverage Δ
unittests	88.10% <ø> (-0.03%)	⬇️

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Files with missing lines	Coverage Δ
.../include/hardware_interface/actuator_interface.hpp	88.59% <ø> (ø)
...ce/include/hardware_interface/system_interface.hpp	81.20% <ø> (-0.62%)	⬇️

... and 1 file with indirect coverage changes