build(deps): bump rust-vmm-ci from 9751aaa to be28ad8

Bumps [rust-vmm-ci](https://github.com/rust-vmm/rust-vmm-ci) from `9751aaa` to `be28ad8`.
- [Commits](rust-vmm/rust-vmm-ci@9751aaa...be28ad8)

---
updated-dependencies:
- dependency-name: rust-vmm-ci
  dependency-type: direct:production
...

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

Author: dependabot[bot]