Improvements

Rook v1.12.11 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• exporter: Skip reconcile on exporter deletion (#13597, @travisn)
• helm: Allow configuring monitoring interval (#13408, @charlie-haley)
• core: Golang linter issues with variables in loops and update linter version (#13324, @travisn)
• multus: Use nginx-unprivileged image from quay (#13506, @BlaineEXE)