[wip/{,py-}sot-core-v3] Update to v4.9.0

Changes in v4.9.0:
- Add Sot::maxControlIncrementSquaredNorm to avoid generating large controls.
- [Admittance] Move entity Admittance OpPoint
- Add Multiply_matrixTwist_vector in math_small_entities
- [tools] Add set_parameter and get_parameter
- [CMake] add dependency to example-robot-data