Improvements

Rook v1.8.7 is a patch release limited in scope and focusing on small feature additions and bug fixes to the Ceph operator.

• build: Update ceph base image to v16.2.7-20220216 (#9814, @travisn)
• csi: default to ReadWriteOnceWithFSType for cephfs (#9729, @humblec)
• mon: Disable startup probe on canary pods (#9888, @travisn)
• core: Add Ceph FSID on the cephcluster CR status (#9847, @parth-gr)
• csi: Properly apply CSI resource requests and limits (#9868, @TomHellier)
• helm: Add resource requests and limits to the toolbox pod (#9856, @TomHellier)
• helm: Remove obsolete .Values.image.prefix (#9863, @kahirokunn)
• osd: Clarify vault auth error message (#9884, @leseb)
• nfs: Remove secret and configmap when downscaling NFS daemons (#9859, @BlaineEXE)
• helm: Handle empty StorageClass parameters for object, rbd, and cephfs in the helm chart (#9854, @Zempashi)
• helm: Remove obsolete setting for enabling multiple filesystems (#9841, @travisn)
• osd: Use lvm mode to create multiple OSDs per device (#9842, @BlaineEXE)
• helm: Add filesystem pool name to the storage class (#9838, @mtt0)
• docs: Document that the rook-ceph-operator-config ConfigMap is required (#9821, @matthiasr)
• core: Suppress verbose disruption controller log messages (#9834, @travisn)
• osd: Purge job will remove all pvcs for the osd, not just the data pvc (#9804, @travisn)
• osd: Remove osd with purge instead of destroy (#9807, @travisn)