Bump github.com/containerd/containerd from 1.6.10 to 1.6.18 (#70)

Bumps [github.com/containerd/containerd](https://github.com/containerd/containerd) from 1.6.10 to 1.6.18.
- [Release notes](https://github.com/containerd/containerd/releases)
- [Changelog](https://github.com/containerd/containerd/blob/main/RELEASES.md)
- [Commits](containerd/containerd@v1.6.10...v1.6.18)

---
updated-dependencies:
- dependency-name: github.com/containerd/containerd
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: hebelal <[email protected]>