Merge pull request #43403 from ronen-fr/wip-rf-scrub-deep-v2

osd/scrub: expose PGs scrubbing schedule to the operator

Reviewed-by: Neha Ojha <nojha@redhat.com>
Reviewed-by: Matan Breizman <Matan.Brz@gmail.com>

diff --cc src/osd/scrubber/PrimaryLogScrub.cc
Simple merge

diff --cc src/osd/scrubber/pg_scrubber.cc
Simple merge

diff --cc src/osd/scrubber/pg_scrubber.h
Simple merge