chore(release): v0.2.8 #121

Job	Run time
matrix-prep	4s
matrix-check	0s
Building cuda-linux-x86_64 for testnet	5m 29s
Building opencl-linux-x86_64 for testnet	5m 16s
Building opencl-linux-arm64 for testnet	6m 29s
Building opencl-linux-riscv64 for testnet	6m 21s
Building opencl-macos-x86_64 for testnet	14m 51s
Building opencl-macos-arm64 for testnet	7m 54s
Building cuda-windows-x64 for testnet	20m 12s
Building opencl-windows-x64 for testnet	20m 55s
Building cuda-windows-arm64 for testnet	15m 37s
Building opencl-windows-arm64 for testnet	10m 17s
Building cuda-linux-x86_64 for nextnet	5m 30s
Building opencl-linux-x86_64 for nextnet	5m 23s
Building opencl-linux-arm64 for nextnet	6m 20s
Building opencl-linux-riscv64 for nextnet	6m 18s
Building opencl-macos-x86_64 for nextnet	13m 51s
Building opencl-macos-arm64 for nextnet	7m 0s
Building cuda-windows-x64 for nextnet	23m 30s
Building opencl-windows-x64 for nextnet	18m 44s
Building cuda-windows-arm64 for nextnet	16m 15s
Building opencl-windows-arm64 for nextnet	15m 12s
create-release	29s
	3h 51m 57s

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