[sonic-utilities]: Submodule update

[theasianpianist]

sonic-utilities 28d358f...f5b8a1e (22):

Fix deprecation warnings (#1423)
Fix: initialize SonicDBConfig differently for single or multi_asic (continued) (#1417)
[multi-asic] show ip interface changes for multi asic (#1396)
[show mux]: Sort output by intf name (#1418)
[ci] Test and build package using Azure Pipelines (#1406)
[GitHub] Tweak PR and issue templates (#1419)
Import 'mock' module from 'unittest' library (#1415)
Revert "Add FW dump with new SAI implementation (#1338)" (#1407)
[config reload]: Restart macsec container (#1410)
[pcieutil] Remove the warning message and change the config file location (#1362)
Fix: initialize SonicDBConfig differently for single or multi_asic (#1409)
Support shared headroom pool on top of dynamic buffer calculation (#1348)
Fix unsupported fs.squashfs extraction in sonic-installer (#1366)
[show] Use proper variable to avoid exception in natshow script (#1383)
Set up CI with Azure Pipelines
[config reload]: Restart mux container (#1401)
Advertise ipv6 link local address (#1402)
[storyteller] Enhance the storyteller utility (#1400)
[show] Fix int status when portchannel is in the system (#1376)
[config][show] cli support for retrieving ber, eye-info and configuring prbs, loopback on Y-cable (#1386)
Skip route check for tun0 interfaces (#1399)
do not parse stderr to get correct routing stack (#1398)
[storyteller] allow storyteller to work on downloaded logs (#1388)
[vrf]: Fix freezing during interface binding (#1325)
Use SonicV2Connector/ConfigDBConnector/SonicDBConfig from swsscommon instread of swsssdk (#1392)

• 201811
• 201911
• 202006
• 202012

- Description for the changelog

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

[jleveque]

For submodule update PRs, please add a list of included commits in the PR description. Example here, which was obtained via git status

[theasianpianist]

Waiting for sonic-net/sonic-utilities#1417 to fix KVM test errors