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

mssonicbld · web-flow · commit 6884c2e9f958 · 2023-07-06T00:08:01.000-07:00
#### 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] ```
diff --git a/src/sonic-telemetry b/src/sonic-telemetry
@@ -1 +1 @@
-Subproject commit 6dc4bb96e970df89d583fe9522ff95efa8eb6d75
+Subproject commit 56aa539ca57c35e64897a4e5ca59958b0e3301ea
