Use CUDA 12.9 in Conda, Devcontainers, Spark, GHA, etc.

[jakirkham]

Addressing issues:

• Update to CUDA 12.9.1 build-planning#195
• Add CUDA 12.9 Support build-planning#173

Description

Use CUDA 12.9 throughout different build and test environments.

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[jakirkham]

Seeing the following build error on CI:

 │ │ $SRC_DIR/cpp/src/umap/knn_graph/algo.cuh(108): error: name followed by "::" must be a class or namespace name
 │ │         cuvs::neighbors::all_neighbors::graph_build_params::nn_descent_params{};
 │ │                                         ^
 │ │ $SRC_DIR/cpp/src/umap/knn_graph/algo.cuh(108): error: expected a ";"
 │ │         cuvs::neighbors::all_neighbors::graph_build_params::nn_descent_params{};
 │ │                                                                              ^
 │ │ 2 errors detected in the compilation of "$SRC_DIR/cpp/src/umap/umap.cu".

[jakirkham]

Based on offline discussion, this was due to a breakage in cuVS. This has since been fixed by PR: rapidsai/cuvs#1060

Updating the PR branch to pull in latest changes and restart CI

[jcrist]

/merge

[jakirkham]

Thanks all! 🙏