messages/MMonCommand, MMonCommandAck: don't log values for "config set" and "config...

messages/MMonCommand, MMonCommandAck: don't log values for "config set" and "config-key set"

This acts like a big hammer to avoid adding sensitive information, like passwords
into mon/mgr/cluster logs when using "config set" and "config-key set" to set keys
whose values should be secure.

Fixes: https://tracker.ceph.com/issues/37503
Signed-off-by: Neha Ojha <nojha@redhat.com>
(cherry picked from commit 3d54660ca1a9a7ae54e884c3181fca17a40d8cd3)

Origin: upstream, https://github.com/ceph/ceph/pull/38614/commits/b579cddca07a19d8de2613eb7713de9e33d67d0d

Gbp-Pq: Name CVE-2020-25678-1.patch