meta-*: bump poky from aee2a47 to 60b5842 in the layers group

Bumps the layers group with 1 update: poky.


Updates `poky` from `aee2a47` to `60b5842`

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

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