[sonic-swss]: Advance submodule

Update sonic-swss submodule to include below commits:
d80094b [aclorch] Do not fail ACL rule remove flow if rule already deleted (sonic-net#2183)
bea0b70 [gcov]: Change coverage.xml file references (sonic-net#2120)
829b219 [tunnelmgrd]: Warm boot support (sonic-net#2166)
ad65b0a Fix issue: sometimes PFC WD unable to create zero buffer pool (sonic-net#2164)
608acc3 [doc] Moving Configuration.md from swss to yang sub-folder (sonic-net#2177)
0294376 [orchagent] NVGRE Tunnel orchestration agent implementation (sonic-net#1953)
ce88696 [ci] Update default sonic image downloading build ID. (sonic-net#2175)