Bump github.com/containerd/containerd from 1.7.17 to 1.7.18

Bumps [github.com/containerd/containerd](https://github.com/containerd/containerd) from 1.7.17 to 1.7.18.
- [Release notes](https://github.com/containerd/containerd/releases)
- [Changelog](https://github.com/containerd/containerd/blob/main/RELEASES.md)
- [Commits](containerd/containerd@v1.7.17...v1.7.18)

---
updated-dependencies:
- dependency-name: github.com/containerd/containerd
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/ahmetb/gen-crd-api-reference-docs v0.3.1-0.20220720053627-e327d0730470 // Waiting for https://github.com/ahmetb/gen-crd-api-reference-docs/pull/43/files to merge
 	github.com/cloudevents/sdk-go/v2 v2.15.2
-	github.com/containerd/containerd v1.7.17
+	github.com/containerd/containerd v1.7.18
 	github.com/go-git/go-git/v5 v5.12.0
 	github.com/google/go-cmp v0.6.0
 	github.com/google/go-containerregistry v0.19.1
@@ -98,6 +98,7 @@ require (
 	github.com/cenkalti/backoff/v3 v3.2.2 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
+	github.com/containerd/errdefs v0.1.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
 	github.com/davidmz/go-pageant v1.0.2 // indirect