Update submodule sonic-utilities (#15770)

sonic-utilities submodule update

#### Why I did it
sonic-utilities submodule update:
```
399b1e3 2023-07-06 [202012][Show][BGP] Show BGP Change for no neighbor scenario (#2886)
7b47641 2023-07-10 [[202012] [TACACS+] Add config command for AAA authorization and accounting. (#1889)
```
##### Work item tracking
- Microsoft ADO **(number only)**:24433713

#### How I did it
Update sonic-utilities submodule.

#### How to verify it
Pass all test case.

#### Tested branch (Please provide the tested image version)
- [ ] SONiC.202012-15703.306864-1ef589c19
This commit is contained in:
Hua Liu 2023-07-11 12:19:08 +08:00 committed by GitHub
parent 228c3d3321
commit 9a733fde99
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@ -1 +1 @@
Subproject commit 50296b907c63bbbd0755e3f150c53a234cecdf61 Subproject commit 7b47641f46948b2f32e926ca63eb9e2041ccb606