[submodule] Update submodule sonic-platform-common to the latest HEAD…

… automatically (#15797)

#### Why I did it
src/sonic-platform-common
```
* 465f95e - (HEAD -> master, origin/master, origin/HEAD) Default implementation of under/over speed checks (#382) (9 hours ago) [spilkey-cisco]
```
#### How I did it
#### How to verify it
#### Description for the changelog