Add back deprecated with_key_eq to avoid breaking changes in libcudf #716

Job	Run time
Doxygen check	15s
Compute matrix	3s
Verify Dev Containers / Verify devcontainers	14s
CUDA12.5 gcc / amd64 / Build gcc13/C++17 / Build gcc13/C++17	3m 12s
CUDA12.5 gcc / amd64 / Build gcc12/C++17 / Build gcc12/C++17	3m 7s
CUDA12.5 gcc / arm64 / Build gcc12/C++17 / Build gcc12/C++17	2m 32s
CUDA11.8 gcc / amd64 / Build gcc11/C++17 / Build gcc11/C++17	2m 40s
Verify Dev Containers / List devcontainers	2s
Verify Dev Containers / cuda12.5-gcc13	1m 2s
Verify Dev Containers / cuda12.5-gcc12	1m 12s
Verify Dev Containers / cuda12.5-gcc13	1m 2s
Verify Dev Containers / cuda12.4-gcc12	55s
Verify Dev Containers / cuda11.8-gcc11	1m 0s
CUDA11.8 gcc / amd64 / Test gcc11/C++17 / Test gcc11/C++17	6m 24s
CUDA12.5 gcc / arm64 / Test ${{ inputs.test_name }}	0s
CUDA12.5 gcc / amd64 / Test gcc12/C++17 / Test gcc12/C++17	6m 40s
CUDA12.5 gcc / amd64 / Test ${{ inputs.test_name }}	0s
CI success	1s
	30m 21s

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