[submodule] Update submodule sonic-platform-common to the latest HEAD automatically (#18036)

#### Why I did it
src/sonic-platform-common
```
* a64276a - (HEAD -> 202305, origin/202305) Tx/Rx power values should be rounded up to 3 decimal places (#432) (22 hours ago) [mihirpat1]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-02-05 16:32:33 +08:00 committed by GitHub
parent 4d2a6bef33
commit 87a0cb43f6
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@ -1 +1 @@
Subproject commit f7962030249b61fd1517841efcb7fac329c1f7c9
Subproject commit a64276a8ed7fc01e8c4dc4685a9c4465e8e2892c