Bump vendor/emojis from df916b1 to f353fdd

Bumps [vendor/emojis](https://github.com/buildkite/emojis) from `df916b1` to `f353fdd`.
- [Release notes](https://github.com/buildkite/emojis/releases)
- [Commits](buildkite/emojis@df916b1...f353fdd)

---
updated-dependencies:
- dependency-name: vendor/emojis
  dependency-type: direct:production
...

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

Author: dependabot[bot]