[submodule] Update submodule sonic-platform-common to the latest HEAD automatically (#18409)

#### Why I did it
src/sonic-platform-common
```
* 2606cd5 - (HEAD -> master, origin/master, origin/HEAD) Add flag to read partial VDM (#397) (22 hours ago) [ChiouRung Haung]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-03-21 19:01:03 +08:00 committed by GitHub
parent 2468dfad71
commit 2ee5c05e75
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@ -1 +1 @@
Subproject commit 56921d80e42971f2579115f26c5194b9e0ecbc05
Subproject commit 2606cd5fb0a58fc956577602235a9f8f84a887c6