build(deps): bump rust-vmm-ci from d216a46 to ee6be8c

Bumps [rust-vmm-ci](https://github.com/rust-vmm/rust-vmm-ci) from `d216a46` to `ee6be8c`.
- [Release notes](https://github.com/rust-vmm/rust-vmm-ci/releases)
- [Commits](rust-vmm/rust-vmm-ci@d216a46...ee6be8c)

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

Signed-off-by: dependabot[bot] <support@github.com>