[submodule] Advance sonic-utilities pointer (#12962)

Update sonic-utilities submodule pointer to include the following:

208824d YANG Validation for ConfigDB Updates: WARM_RESTART, SFLOW_SESSION, SFLOW, VXLAN_TUNNEL, VXLAN_EVPN_NVO, VXLAN_TUNNEL_MAP, MGMT_VRF_CONFIG, CABLE_LENGTH, VRF tables (#2526)
09b8dd1 [db_migrator] Remove import of swsssdk as it is not supported in master (#2544)
10eb5ba Support syslog rate limit configuration for containers and host (#2454)
ca9a020 [generate_dump] [Mellanox] Fix the duplicate dfw dump collection problem by adding symlinks (#2536)
92c7001 [config] Add check in config interface ip command to block if the interface is portchannel member (#2539)
e8130f5 [system-health] Improve code structure of system health CLIs (#2453)
00c01b3 Transceiver eeprom dom CLI modification to show output from TRANSCEIVER_DOM_THRESHOLD table (#2535)
42f51c2 sonic-utilities: Update config reload() to verify formatting of an input file (#2529)
a5e1e2b [GCU] Add RemoveCreateOnlyDependency Validator/Generator (#2500)
6411b52 [QoS] Introduce delay to the qos reload flow (#2503)
fce7ec3 Use github code scanning instead of LGTM (#2530)
91bd6de Change show kube command default value of insecure key to True (#2517)
c44c584 Add db_migrator_constants.py script to setup.py (#2534)
6a3238e [drop counters] Fix CLI script for unconfigured PGs (#2518)
263810b Update vrf add, del commands for duplicate/non-existing VRFs (#2467)
addae73 Port 202012 DB migration changes to newer branches (#2515)
2af8cfa [VXLAN]Fixing traceback in show remotemac when mac moves during command execution (#2506)