Bump _images/icons from a2bc196 to 4ce2784

Bumps [_images/icons](https://github.com/elementary/icons) from `a2bc196` to `4ce2784`.
- [Release notes](https://github.com/elementary/icons/releases)
- [Commits](elementary/icons@a2bc196...4ce2784)

---
updated-dependencies:
- dependency-name: _images/icons
  dependency-type: direct:production
...

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