[202012][utilities] advance utilities submodule head (#8892)

* 647f01f 2021-09-30 | [fstrim] limit smartctl execution time to 30 seconds (#1850) (HEAD -> 202012, github/202012) [Ying Xie]
* 371970e 2021-09-30 | [202012][show techsupport] address show techsupport return none zero code issue (#1847) [Ying Xie]
* 81a8386 2021-09-30 | Disable pfcwd forward action config for cisco-8000. (#1848) [Alpesh Patel]

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
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Ying Xie 2021-10-04 09:49:57 -07:00 committed by GitHub
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Subproject commit 0b5f90b14d1f5baa1d9c09dc959c3e4f840db5ca Subproject commit 647f01faed52cce87d6e5b8daa8be4bcf7b9c111