build(deps): bump rust-vmm-ci from 7606478 to 0503867

Bumps [rust-vmm-ci](https://github.com/rust-vmm/rust-vmm-ci) from `7606478` to `0503867`.
- [Commits](rust-vmm/rust-vmm-ci@7606478...0503867)

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

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