Use the right version macro CCCL_MAJOR_VERSION (#18073)

I accidentally used `CCCL_VERSION_MAJOR`, which is used in our cmake scripts

Authors:
  - Michael Schellenberger Costa (https://github.com/miscco)

Approvers:
  - David Wendt (https://github.com/davidwendt)
  - Bradley Dice (https://github.com/bdice)
  - Yunsong Wang (https://github.com/PointKernel)

URL: #18073

cpp/src/io/fst/dispatch_dfa.cuh

@@ -391,7 +391,7 @@ struct DispatchFSM : DeviceFSMPolicy {
     // Alias the temporary allocations from the single storage blob (or compute the necessary size
     // of the blob)
     // TODO (@miscco): remove this once rapids moves to CCCL 2.8
-#if CCCL_VERSION_MAJOR >= 3
+#if CCCL_MAJOR_VERSION >= 3
     error = cub::detail::AliasTemporaries(
 #else   // ^^^ CCCL 3.x ^^^ / vvv CCCL 2.x vvv
     error = cub::AliasTemporaries(