meta-*: bump the layers group with 2 updates

Bumps the layers group with 2 updates: [meta-virtualization](https://github.com/lgirdk/meta-virtualization) and poky.


Updates `meta-virtualization` from `54b806b` to `66ee8d2`
- [Commits](lgirdk/meta-virtualization@54b806b...66ee8d2)

Updates `poky` from `8637aa3` to `703740d`

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

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