[sonic-swss-common] Update sonic-swss-common submodule (sonic-net#11524)

#### Why I did it

Submodule update for sonic-swss-common with following change:
```
2247dbe 2022-08-01 | Fix memory leak issue in ConfigDBConnector. (sonic-net#655) [Hua Liu]
4af97d6 2022-07-27 | Add new table schemas for DASH (sonic-net#654) [prabhataravind]
d72e5ea 2022-07-23 | Fix epoll and socket resource leak issue. (sonic-net#651) [Hua Liu]
dda857b 2022-07-21 | Microsoft mandatory file (sonic-net#620) [microsoft-github-policy-service[bot]]
4132d14 2022-07-21 | Fix PING database command not backward compatible with python version issue. (sonic-net#650) [Hua Liu]
```

#### How I did it

#### How to verify it

#### Which release branch to backport (provide reason below if selected)

<!--
- Note we only backport fixes to a release branch, *not* features!
- Please also provide a reason for the backporting below.
- e.g.
- [x] 202006
-->

- [ ] 201811
- [ ] 201911
- [ ] 202006
- [ ] 202012
- [ ] 202106

#### Description for the changelog
Submodule update for sonic-swss-common with following change:
```
2247dbe 2022-08-01 | Fix memory leak issue in ConfigDBConnector. (sonic-net#655) [Hua Liu]
4af97d6 2022-07-27 | Add new table schemas for DASH (sonic-net#654) [prabhataravind]
d72e5ea 2022-07-23 | Fix epoll and socket resource leak issue. (sonic-net#651) [Hua Liu]
dda857b 2022-07-21 | Microsoft mandatory file (sonic-net#620) [microsoft-github-policy-service[bot]]
4132d14 2022-07-21 | Fix PING database command not backward compatible with python version issue. (sonic-net#650) [Hua Liu]
```

#### A picture of a cute animal (not mandatory but encouraged)

Co-authored-by: liuh-80 <azureuser@liuh-dev-vm-02.5fg3zjdzj2xezlx1yazx5oxkzd.hx.internal.cloudapp.net>

Author: liuh-80