[Tools] Rename from StackTicToc to PinocchioTicToc

benchmark/timings-cholesky.cpp

benchmark/timings-derivatives.cpp

benchmark/timings-eigen.cpp

benchmark/timings-geometry.cpp

benchmark/timings.cpp

src/tools/timer.hpp

unittest/cholesky.cpp

unittest/com.cpp

unittest/crba.cpp

unittest/dynamics.cpp

unittest/jacobian.cpp

unittest/rnea.cpp

unittest/symmetric.cpp