249 add way to read torque and speed limit

[glannuzel]

• set torque and speed limits at actuators and part level
• read torque and speed limits at actuators level, in a dict composed of all motors

[github-actions[bot]]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
732	702	96%	0%	🟢

New Files

File	Coverage	Status
tests/units/online/test_actuators_properties.py	100%	🟢
TOTAL	100%	🟢

Modified Files

File	Coverage	Status
tests/units/offline/test_arm.py	100%	🟢
tests/units/offline/test_head.py	100%	🟢
tests/units/offline/test_orbita2d.py	100%	🟢
tests/units/offline/test_orbita3d.py	100%	🟢
tests/units/online/conftest.py	100%	🟢
tests/units/online/test_basic_movements.py	77%	🟢
TOTAL	96%	🟢

updated for commit: 1067773 by action🐍