[submodule] Update submodule sonic-swss to the latest HEAD automatically (#15908)

#### Why I did it
src/sonic-swss
```
* cb1b3f40 - (HEAD -> master, origin/master, origin/HEAD) Remove system neighbor DEL operation in m_toSync if SET operation for (#2853) (7 hours ago) [Song Yuan]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2023-07-20 09:47:43 +08:00 committed by GitHub
parent e73f1110ad
commit e4d2752143
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -1 +1 @@
Subproject commit 5b27c209ed952bb6d2324fd9834e6ce3d49b8ee3 Subproject commit cb1b3f409dc453848a62a872f7ae091e7df892b7