Improvements

Rook v1.12.7 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• core: Crash collector keyring requires rw access for the mgr profile (#13072, @travisn)
• external: Automatically init the rbd pool (#13061, @parth-gr)
• doc: Add a table for supported OSD configuration (#12166, @satoru-takeuchi)
• external: Fix monitoring endpoint check (#13060, @parth-gr)
• docs: Unify namespaces handling for the second cluster creation (#13089, @rkachach)
• doc: Clarify LVM prerequisites (#13099, @sp98)
• namespace: Adding namespace to all rook-ceph namespaces references (#13078, @rkachach)
• namespace: Adding a dedicated entry for operator namespace in common (#13080, @rkachach)