fix benchmark links (#1092)

Meng Wei

2023-11-15 12d694f94cb4d25ee9a981a16f9197e4bb13b4eb

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wget https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/dep_libs/ffmpeg-N-111383-g20b8688092-linux64-gpl-shared.tar.xz
tar -xvf ffmpeg-N-111383-g20b8688092-linux64-gpl-shared.tar.xz