meta-*: bump poky from 200d12b to 2f136ed in the layers group

Bumps the layers group with 1 update: poky.


Updates `poky` from `200d12b` to `2f136ed`

---
updated-dependencies:
- dependency-name: poky
  dependency-type: direct:production
  dependency-group: layers
...

Signed-off-by: dependabot[bot] <[email protected]>