support phi-3 128k #2762

Job	Run time
build-and-test-cpp-aarch64 (openblas)	4m 5s
build-and-test-cpp-x86_64 (ubuntu-20.04, mkl)	5m 45s
build-python-wheels (ubuntu-20.04, auto64)	1h 12m 19s
build-and-test-cpp-x86_64 (ubuntu-20.04, dnnl)	5m 3s
build-and-push-docker-images	1h 12m 17s
build-python-wheels (macos-11, auto64)	36m 55s
check-python-style	16s
build-and-test-cpp-x86_64 (macos-11, mkl)	10m 35s
build-python-wheels (windows-2019, auto64)	1h 12m 16s
build-and-test-cpp-x86_64 (macos-11, dnnl)	9m 46s
build-python-wheels (ubuntu-20.04, aarch64)	1h 12m 16s
build-python-wheels (macos-11, arm64)	13m 45s
test-python-wheels	1s
build-and-deploy-docs	1s
publish-python-wheels-on-pypi	1s
	6h 15m 21s

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