Avoid unnecessary libcugraph wheel builds (#5037)

Adding a matrix filter to the `build.yaml` to fix the issue with artifact name collisions in `libcugraph` builds

Authors:
  - Jaya Venkatesh (https://github.com/VenkateshJaya)

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

URL: #5037

Author: VenkateshJaya

.github/workflows/build.yaml

@@ -71,6 +71,8 @@ jobs:
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/[email protected]
     with:
+      # build for every combination of arch and CUDA version, but only for the latest Python version
+      matrix_filter: group_by([.ARCH, (.CUDA_VER|split(".")|map(tonumber)|.[0])]) | map(max_by(.PY_VER|split(".")|map(tonumber)))
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       sha: ${{ inputs.sha }}