Add missing cuda_suffixed: true (#2440)

This change ensures `rmm-cuXX` is not in the package dependencies when building the pylibraft wheel with `-C "rapidsai.matrix-entry=cuda_suffixed=false`.

Authors:
  - Paul Taylor (https://github.com/trxcllnt)
  - James Lamb (https://github.com/jameslamb)

Approvers:
  - James Lamb (https://github.com/jameslamb)

URL: #2440

dependencies.yaml

@@ -499,10 +499,14 @@ dependencies:
               - *cuda_python
       - output_types: [requirements, pyproject]
         matrices:
-          - matrix: {cuda: "12.*"}
+          - matrix:
+              cuda: "12.*"
+              cuda_suffixed: "true"
             packages:
               - *rmm_cu12
-          - matrix: {cuda: "11.*"}
+          - matrix:
+              cuda: "11.*"
+              cuda_suffixed: "true"
             packages:
               - *rmm_cu11
           - {matrix: null, packages: [*rmm_unsuffixed]}