This commit adds the nfs-ganesha adoption support in the
`cephadm-adopt.yml` playbook.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1944504

Signed-off-by: Guillaume Abrioux <[email protected]>
(cherry picked from commit a9220654f568a763142deb77f81cfc9f2a80f233)