WIP: [R] Verify CRAN release 23.0.0.1#49166

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jonkeane wants to merge 18 commits intomainfrom

maint-23.0.0.1-r

Commits on Jan 12, 2026

GH-48827: [CI][Python] Add required xz dependency to emscripten dockerfile (#48828)
raulcd
committed
GH-48582: [CI][GPU][C++][Python] Add new CUDA jobs using the new self-hosted runners (#48583)
raulcd
committed