Improvements

Rook v1.19.7 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• build: Set default version of Ceph to 19.2.4 (#17629, @subhamkrai)
• helm: Set helm ownership for csi resources if operator chart is configured (#17717, @subhamkrai)
• core: Delete stale MDS and RGW PDBs (#17700, @sp98)
• osd: Support using node labels for OSD device class assignment (#17649, @yuxiang-he)
• osd: Ensure require-osd-release is set after rolling upgrade (#17546, @Sunnatillo)