Improvements

Rook v1.18.2 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• helm: Upgrade requires either deletion of storage classes or removal of new storage class properties, see the Upgrade Guide (#16454, @parth-gr)
• csi: Set host networking on the csi controller pod if host networking is enforced (#16462, @travisn)
• csi: Fix cephx key deletion logic (#16452, @BlaineEXE)
• csi: Add multus network annotation to csi-operator (#16448, @subhamkrai)
• external: Fix secret values in import-external-cluster script (#16433, @rubentsirunyan)
• osd: Remove the osd bootstrap keyring that is not needed after creation (#16421, @parth-gr)
• core: Delete bootstrap keys not necessary for ceph daemons (#16372, @sp98)
• core: Allow rotation of the client.admin cephx key (#16271, @BlaineEXE)
• osd: Rotate lockbox keys for encrypted OSDs (#16409, @sp98)