[submodule]: Advance sonic-utilities submodule

[nazariig]

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

- Why I did it

• Advanced sonic-utilities submodule

- How I did it

• N/A

- How to verify it

1. make configure PLATFORM=mellanox
2. make target/sonic-mellanox.bin

- Description for the changelog

Commits on Jun 15, 2020
handled the priority of ACL rules to be case insensitive (#918) fc2fa78
[fwutil]: Update fwutil to v2.0.0.0. (#941) fd7781b 

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

      .---.        .-----------
     /     \  __  /    ------
    / /     \(  )/    -----
   //////   ' \/ `   ---
  //// / // :    : ---
 // /   /  /`    '--
//          //..\\
       ====UU====UU====
           '//||\\`
             ''``

[liat-grozovik]

retest vsimage please