[sonic-swss] Update submodule (sonic-net#5745)

Update the sonic-swss submodule. The following are the commits in the submodule.

[neighorch] Remove pending DEL operation after SET operation for the same key
2265f54

[NAT]: Update nat entries to use nat_type to support DNAT Pool changes.
8696e93

[intfsorch] Init proxy_arp variable while adding router interface.
1da3c77