[submodule] Update submodule sonic-platform-pde to the latest HEAD automatically (#25498)

#### Why I did it
src/sonic-platform-pde
```
* 6e36a87 - (HEAD -> master, origin/master, origin/HEAD) Merge pull request #37 from rustiqly/add-copilot-instructions (11 hours ago) [rustiqly]
* 4fd3ff9 - Add .github/copilot-instructions.md for AI-assisted development (3 days ago) [Rustiqly]
```
#### How I did it
#### How to verify it
#### Description for the changelog

Author: mssonicbld