Captured CI warnings

[KickItLikeShika]

Captured the raised warnings by LRFinder here https://github.com/pytorch/ignite/runs/3737999174#step:15:1393
and https://github.com/pytorch/ignite/runs/3737999174#step:15:1403

Check list:

• New tests are added (if a new feature is added)
• New doc strings: description and/or example code are in RST format
• Documentation is updated (if required)

[sdesrozis]

@KickItLikeShika Thanks ! LGTM :) Let's see if CI works.

[vfdev-5]

@KickItLikeShika Thanks for the PR, can we also get rid of this warning:

tests/ignite/handlers/test_time_profilers.py:9
  /home/runner/work/ignite/ignite/tests/ignite/handlers/test_time_profilers.py:9: DeprecationWarning: /home/runner/work/ignite/ignite/ignite/contrib/handlers/time_profilers.py has been moved to /ignite/handlers/time_profilers.py and will be removed in version 0.6.0.
   Please refer to the documentation for more details.
    from ignite.contrib.handlers.time_profilers import BasicTimeProfiler, HandlersTimeProfiler