[submodule] Advance sonic-swss pointer (#13551)

Update sonic-swss submodule pointer to include the following:
* a2a483d [acl] Add new ACL key BTH_OPCODE and AETH_SYNDROME  ([#2617](https://github.com/sonic-net/sonic-swss/pull/2617))
* 9d1f66b [bfdorch] add local discriminator to state DB ([#2629](https://github.com/sonic-net/sonic-swss/pull/2629))
* c54b3d1 Vxlan tunnel endpoint custom monitoring APPL DB table. ([#2589](https://github.com/sonic-net/sonic-swss/pull/2589))
* 7f03db2 Fix potential risks ([#2516](https://github.com/sonic-net/sonic-swss/pull/2516))
* 383ee68 [refactor]Refactoring sai handle status ([#2621](https://github.com/sonic-net/sonic-swss/pull/2621))
* cd95972 Fix issue 13341 ARP entry can be out of sync between kernel and APPL_DB if multiple updates are received from RTNL ([#2619](https://github.com/sonic-net/sonic-swss/pull/2619))
* a01470f Remove TODO comments that are no longer relevant ([#2622](https://github.com/sonic-net/sonic-swss/pull/2622))
* d058390 Changed the BFD default detect multiplier to 10x ([#2614](https://github.com/sonic-net/sonic-swss/pull/2614))
* d78b528 [MuxOrch] Enabling neighbor when adding in active state ([#2601](https://github.com/sonic-net/sonic-swss/pull/2601))
* 4ebdad1 [routesync] Fix for stale dynamic neighbor ([#2553](https://github.com/sonic-net/sonic-swss/pull/2553))
* 8857f92 Added new attributes for Vnet and Vxlan ecmp configurations. ([#2584](https://github.com/sonic-net/sonic-swss/pull/2584))
* b6bbc3e Revert [voq][chassis]Add show fabric counters port/queue commands (2522) ([#2611](https://github.com/sonic-net/sonic-swss/pull/2611))
* 52406e2 Add missing parameter to on_switch_shutdown_request method. ([#2567](https://github.com/sonic-net/sonic-swss/pull/2567))
* 4ac9ad9 Increase diff coverage to 80% ([#2599](https://github.com/sonic-net/sonic-swss/pull/2599))
* 8a0bb36 Handle Mac address 'none' ([#2593](https://github.com/sonic-net/sonic-swss/pull/2593))
* f496ab3 [vstest] Only collect stdout of orchagent_restart_check in vstest ([#2597](https://github.com/sonic-net/sonic-swss/pull/2597))
* 1dab495 Avoid aborting orchagent when setting TUNNEL attributes ([#2591](https://github.com/sonic-net/sonic-swss/pull/2591))
* 4395cea Fix neighbor doesn't update all attribute ([#2577](https://github.com/sonic-net/sonic-swss/pull/2577))

Signed-off-by: dprital <drorp@nvidia.com>