time.clock is removed in python 3.8

[frank-qcd-qk]

dt-ros-commons/packages/duckietown/include/duckietown_utils/timeit.py

Line 59 in 9614ae8

with timeit_generic(desc=desc, minimum=minimum, time_function=time.clock):

Refer to:
The function time.clock() has been removed, after having been deprecated since Python 3.3: use time.perf_counter() or time.process_time() instead, depending on your requirements, to have well-defined behavior. (Contributed by Matthias Bussonnier in bpo-36895.)

this will cause issue for ProcessingTimingStats:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3.8/contextlib.py", line 113, in __enter__
    return next(self.gen)
  File "/code/catkin_ws/src/dt-core/packages/easy_node/include/easy_node/utils/timing.py", line 90, in phase
    with dtu.timeit_clock(phase_name): 
  File "/usr/lib/python3.8/contextlib.py", line 113, in __enter__
    return next(self.gen)
  File "/code/catkin_ws/src/dt-ros-commons/packages/duckietown/include/duckietown_utils/timeit.py", line 59, in timeit_clock
    with timeit_generic(desc=desc, minimum=minimum, time_function=time.clock):
AttributeError: module 'time' has no attribute 'clock'