Merge pull request #47610 from adk3798/quincy-multiple-vips

quincy: Cephadm: Allow multiple virtual IP addresses for keepalived and haproxy

Reviewed-by: Anthony D'Atri <anthonyeleven@users.noreply.github.com>

diff --cc doc/cephadm/services/rgw.rst
Simple merge

diff --cc src/pybind/mgr/cephadm/tests/test_services.py
Simple merge