EX-5347 lipe: update lpcc to python3

EX-5347 lipe: update lpcc to python3

Update the lpcc utility to use python 3.

Test-Parameters: trivial clientdistro=ubuntu2204 env=SANITY_PCC_EXCEPT="15 16 27 39 101a 201" testlist=sanity-pcc
Test-Parameters: trivial clientdistro=ubuntu2004 env=SANITY_PCC_EXCEPT="101a" testlist=sanity-pcc
Signed-off-by: John L. Hammond <jhammond@whamcloud.com>
Signed-off-by: Lei Feng <flei@whamcloud.com>
Change-Id: I690ef4362cbdd0118419ab37a15127619a860178
Reviewed-on: https://review.whamcloud.com/47553
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>