Backport of add max_entry_size to sanitized config output into release/1.12.x

[hc-github-team-secure-vault-core]

Backport

This PR is auto-generated from #20044 to be assessed for backporting due to the inclusion of the label backport/1.12.x.

WARNING automatic cherry-pick of commits failed. Commits will require human attention.

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The below text is copied from the body of the original PR.

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This PR adds a raft sub-field to the sanitized config storage and HA storage details in order to expose Raft's max_entry_size.

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Overview of commits

• ca70274

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