[submodule] Update submodule sonic-telemetry to the latest HEAD automatically (#15543)

#### Why I did it
src/sonic-telemetry
```
* 56aa539 - (HEAD -> 202012, origin/202012) Fix sonic-mgmt-common version in pipeline build (#124) (2 weeks ago) [Sachin Holla]
* 4264949 - Change log level (#118) (4 weeks ago) [Zain Budhwani]
```
This commit is contained in:
mssonicbld 2023-07-06 15:08:01 +08:00 committed by GitHub
parent 71a8a66894
commit 6884c2e9f9
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@ -1 +1 @@
Subproject commit 6dc4bb96e970df89d583fe9522ff95efa8eb6d75
Subproject commit 56aa539ca57c35e64897a4e5ca59958b0e3301ea