[Mellanox] Update SAI ver. 1.19.0, SDK\FW ver. 4.4.3106\2008.3110#7820

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liat-grozovik merged 3 commits intosonic-net:masterfrom

dprital:new_sai_sdk_and_fw_2master

Jun 10, 2021

Commits on Jun 8, 2021

Commits on Jun 9, 2021

Update SAI version on mlnx-sai.mk file
dprital
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