reorder volume claim batch request raft message

[tgross]

Fixes a regression I introduced in #7794 but we never shipped as a release.

For backwards compatibility of in-flight requests during upgrades, new raft message types
need to come at the end of the enum. But if we look at 0.11.1 we can see that wasn't done here.

[langmartin]

oof, good catch. I just checked, this is in the contributing checklist, should we comment the constant block? I made this same bug early, also adding a batch request and still missed it in review ☹️ I can't find a linter that checks append only iota in a brief search.

[notnoop]

Good catch - we should probably have a linter for this

Reminds me that we also need to change our numbering scheme once we get to 63 entries - Enterprise related raft entries start at value 64. Currently, CSIVolumeClaimBatchRequestType is ~39 so we still have some room before worrying about it so much.

[github-actions]

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