Add int8 ops for Intel CPU & XPU #1

Job	Run time
build-shared-libs (ubuntu-latest, x86_64)	10s
build-shared-libs-cuda (ubuntu-latest, x86_64, 11.7.1)	2m 17s
build-shared-libs (macos-latest, x86_64)	19s
build-shared-libs-cuda (ubuntu-latest, x86_64, 11.8.0)	2m 16s
build-shared-libs (macos-latest, aarch64)	18s
build-shared-libs-cuda (ubuntu-latest, x86_64, 12.0.1)	2m 16s
build-shared-libs (windows-latest, x86_64)	1m 38s
build-shared-libs-cuda (ubuntu-latest, x86_64, 12.1.1)	2m 15s
build-shared-libs-cuda (ubuntu-latest, x86_64, 12.2.2)	2m 15s
build-shared-libs-cuda (ubuntu-latest, x86_64, 12.3.2)	2m 15s
build-shared-libs-cuda (windows-latest, x86_64, 11.7.1)	2m 1s
build-shared-libs-cuda (windows-latest, x86_64, 11.8.0)	2m 1s
build-shared-libs-cuda (windows-latest, x86_64, 12.0.1)	2m 3s
build-shared-libs-cuda (windows-latest, x86_64, 12.1.1)	2m 1s
build-shared-libs-cuda (windows-latest, x86_64, 12.2.2)	2m 0s
build-shared-libs-cuda (windows-latest, x86_64, 12.3.2)	2m 6s
build-wheels	1s
audit-wheels	1s
	28m 13s

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