Update dependency Rook to v1.15.9 (patch)

[vshn-renovate]

This PR contains the following updates:

Package	Update	Change
docker.io/rook/ceph	patch	v1.15.8 -> v1.15.9
rook-ceph	patch	v1.15.8 -> v1.15.9

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Release Notes

rook/rook (rook-ceph)

v1.15.9

Compare Source

Improvements

Rook v1.15.9 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• ci: Push rook image to repositories quay.io and ghcr.io (#​15274, @​subhamkrai)
• security: bump go-jose package from 4.0.4 to 4.0.5 (#​15456, @​dependabot)
• mds: Correct parameters to mds liveness probe (#​15424, @​parth-gr)
• core: Query env vars instead of polling the operator settings configmap (#​15462, @​travisn)
• helm: Allow configurable namespace in the cephECBlockPool storage class (#​15402, @​KarolGongola)
• nfs: Formatting fix for nfs-ganesha config parser (#​15393, @​BlaineEXE)

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🚀 This PR has been released as v8.3.1

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