Update to nvcomp 4.0.0 urls to proper tar.gz extension #927

Job	Run time
checks / other-checks	32s
checks / check-style	1m 22s
conda-cpp-build / compute-matrix	2s
conda-cpp-build / 11.8.0, 3.10, amd64, ubuntu22.04	2m 48s
conda-cpp-build / 12.2.2, 3.10, amd64, ubuntu22.04	2m 39s
conda-cpp-build / 12.5.1, 3.10, amd64, ubuntu22.04	2m 45s
conda-cpp-build / 11.8.0, 3.10, arm64, ubuntu22.04	2m 43s
conda-cpp-build / 12.2.2, 3.10, arm64, ubuntu22.04	2m 38s
conda-cpp-build / 12.5.1, 3.10, arm64, ubuntu22.04	2m 37s
conda-cpp-tests / compute-matrix	2s
docs-build / build	1m 27s
conda-cpp-tests / tests (amd64, 3.9, 11.8.0, rockylinux8, v100, earliest)	17m 29s
conda-cpp-tests / tests (amd64, 3.11, 12.5.1, ubuntu22.04, v100, latest)	15m 57s
conda-cpp-tests / tests (arm64, 3.10, 12.0.1, ubuntu20.04, a100, latest)	1s
pr-builder	1s
	53m 3s

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