Add new LZCOUNT opcode #712

Job	Run time
Build source distribution	15s
Build docs	1m 7s
Lint	1m 25s
Build wheel cp310-macosx_arm64 on macos-latest	1s
Build wheel cp310-macosx_x86_64 on macos-13	1s
Build wheel cp310-manylinux_x86_64 on ubuntu-latest	3m 30s
Build wheel cp310-win_amd64 on windows-latest	6m 17s
Build wheel cp311-macosx_arm64 on macos-latest	5s
Build wheel cp311-macosx_x86_64 on macos-13	1s
Build wheel cp311-manylinux_x86_64 on ubuntu-latest	3m 24s
Build wheel cp311-win_amd64 on windows-latest	5m 54s
Build wheel cp312-macosx_arm64 on macos-latest	1s
Build wheel cp312-macosx_x86_64 on macos-13	1s
Build wheel cp312-manylinux_x86_64 on ubuntu-latest	3m 21s
Build wheel cp312-win_amd64 on windows-latest	6m 12s
Upload wheels to PyPI	1s
	31m 36s

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