Bump github.com/containerd/containerd from 1.5.10 to 1.6.6

Bumps [github.com/containerd/containerd](https://github.com/containerd/containerd) from 1.5.10 to 1.6.6.
- [Release notes](https://github.com/containerd/containerd/releases)
- [Changelog](https://github.com/containerd/containerd/blob/main/RELEASES.md)
- [Commits](containerd/containerd@v1.5.10...v1.6.6)

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

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

go.mod

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/cloudevents/sdk-go/v2 v2.10.1
-	github.com/containerd/containerd v1.5.13
+	github.com/containerd/containerd v1.6.6
 	github.com/google/go-cmp v0.5.8
 	github.com/google/go-containerregistry v0.8.1-0.20220216220642-00c59d91847c
 	github.com/google/go-containerregistry/pkg/authn/k8schain v0.0.0-20220328141311-efc62d802606
@@ -111,7 +111,7 @@ require (
 	github.com/prometheus/client_golang v1.11.1 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/prometheus/statsd_exporter v0.21.0 // indirect
 	github.com/shurcooL/githubv4 v0.0.0-20190718010115-4ba037080260 // indirect
 	github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f // indirect