[submodule] Update submodule sonic-swss to the latest HEAD automatically (#18217)

#### Why I did it
src/sonic-swss
```
* 64d5fdd9 - (HEAD -> 202311, origin/202311) [intfsorch] Enable ipv6 proxy ndp along with proxy arp (#3045) (2 days ago) [Nikola Dancejic]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-03-01 19:01:36 +08:00 committed by GitHub
parent dabf4bc06c
commit bb61ef5bac
No known key found for this signature in database
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@ -1 +1 @@
Subproject commit d322f660acbfc6b308875e35ad9f10ed70657355
Subproject commit 64d5fdd9b3b5862585c20c27e539f9112e9177c7