chore(deps): update dependency rook/rook to v1.15.6 (main)

[renovate]

This PR contains the following updates:

Package	Update	Change
rook/rook	patch	v1.15.5 -> v1.15.6

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Release Notes

rook/rook (rook/rook)

v1.15.6

Compare Source

Improvements

Rook v1.15.6 is a patch release limited in scope and focusing on feature additions and bug fixes to the Ceph operator.

• osd: Log warning when duplicate node topology values are detected (#​15016, @​solidDoWant)
• core: Configure remaining pods with the revision history limit (#​14976, @​obnoxxx)
• helm: Set service account for toolbox pod (#​15019, @​amrut-asm)
• osd: Import keyring file on activate to ceph auth if not imported yet (#​14826, @​prazumovsky)
• mon: Allow failover of the arbiter mon (#​14981, @​GrantFleming)

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Configuration

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[sxd]

/ok-to-merge updating rook