[202012][utilities] Update submodule (#7542)

68ea9efc Add pg-drop script to sonic filesystem (#1583)
b216bf0a Fixing serial number read to get from DB if it is populated (#1580)
fa7230c6 Handle the new db version which mellanox_buffer_migrator isn't interested (#1566)

Signed-off-by: Stephen Sun <stephens@nvidia.com>
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Stephen Sun 2021-05-07 00:37:24 +08:00 committed by GitHub
parent c7540a8aba
commit 2fc748eade
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Subproject commit 3f8bc5206897be337a4437ab863cef8513f734f3
Subproject commit 68ea9efccd015d208037c29db7f0ca629adb5b9b