feat(cugraph-gnn): add libwholegraph Python build (#494)

xref: rapidsai/build-planning#33
xref: rapidsai/cugraph-gnn#182

Add `libwholegraph` wheels to the build manifest.

Currently pointing at my fork in `cugraph-gnn` for testing.

---------

Co-authored-by: Bradley Dice <[email protected]>

Author: gforsyth

features/src/rapids-build-utils/opt/rapids-build-utils/manifest.yaml

@@ -211,6 +211,10 @@ repos:
       args:
         cmake: -DCMAKE_CUDA_ARCHITECTURES="${CUDAARCHS}"
   python:
+    - name: libwholegraph
+      sub_dir: python/libwholegraph
+      depends: [wholegraph]
+      args: {install: *rapids_build_backend_args}
     - name: pylibwholegraph
       sub_dir: python/pylibwholegraph
       depends: [wholegraph]