[submodule]: Advance sonic-utilities submodule

[nazariig]

Signed-off-by: Nazarii Hnydyn nazariig@nvidia.com

Why I did it

• To pull up fwutil next image mount fix

How I did it

• Advanced sonic-utilities submodule

How to verify it

• N/A

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012

Description for the changelog

Commits on Apr 06, 2021
[ci]: use the same snapshot of pytests as the docker-sonic-vs image (#… 305a3e4
[fwutil]: Fix next image mount (#1533)  b1097b2

Commits on Apr 07, 2021
[console] Include Flow Control status in show line result (#1549) 5976399 

A picture of a cute animal (not mandatory but encouraged)

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