Test only latest CUDA version

Author: KyleFromNVIDIA

.github/workflows/pr.yaml

@@ -602,39 +602,27 @@ jobs:
   streams-build:
     needs: checks
     uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
-    strategy:
-      fail-fast: false
-      matrix:
-        cuda_version:
-          - &latest_cuda12 "12.9.1"
-          - &latest_cuda13 "13.1.1"
     with:
       build_type: pull-request
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
       node_type: cpu8
-      container_image: "rapidsai/ci-conda:26.06-cuda${{ matrix.cuda_version }}-ubuntu24.04-py3.13"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: ci/build_streams.sh
       artifact-name: stream_tests_${{ matrix.cuda_version }}
       file_to_upload: cpp/install
   streams-test:
     needs: streams-build
     uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
     if: fromJSON(needs.changed-files.outputs.changed_file_groups).test_cpp
-    strategy:
-      fail-fast: false
-      matrix:
-        cuda_version:
-          - *latest_cuda12
-          - *latest_cuda13
     with:
       build_type: pull-request
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
       node_type: gpu-l4-latest-1
-      container_image: "rapidsai/ci-conda:26.06-cuda${{ matrix.cuda_version }}-ubuntu24.04-py3.13"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: ci/test_streams.sh stream_tests_${{ matrix.cuda_version }}
 
   telemetry-summarize:

.github/workflows/test.yaml

@@ -189,36 +189,24 @@ jobs:
   streams-build:
     needs: checks
     uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
-    strategy:
-      fail-fast: false
-      matrix:
-        cuda_version:
-          - &latest_cuda12 "12.9.1"
-          - &latest_cuda13 "13.1.1"
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
       node_type: cpu8
-      container_image: "rapidsai/ci-conda:26.06-cuda${{ matrix.cuda_version }}-ubuntu24.04-py3.13"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: ci/build_streams.sh
       artifact-name: stream_tests_${{ matrix.cuda_version }}
       file_to_upload: cpp/install
   streams-test:
     needs: streams-build
     uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@main
-    strategy:
-      fail-fast: false
-      matrix:
-        cuda_version:
-          - &latest_cuda12 "12.9.1"
-          - &latest_cuda13 "13.1.1"
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
       node_type: gpu-l4-latest-1
-      container_image: "rapidsai/ci-conda:26.06-cuda${{ matrix.cuda_version }}-ubuntu24.04-py3.13"
+      container_image: "rapidsai/ci-conda:26.06-latest"
       script: ci/test_streams.sh stream_tests_${{ matrix.cuda_version }}