build(deps): bump github.com/containerd/containerd from 1.6.14 to 1.6.15

Bumps [github.com/containerd/containerd](https://github.com/containerd/containerd) from 1.6.14 to 1.6.15.
- [Release notes](https://github.com/containerd/containerd/releases)
- [Changelog](https://github.com/containerd/containerd/blob/main/RELEASES.md)
- [Commits](containerd/containerd@v1.6.14...v1.6.15)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/buger/goterm v1.0.4
 	github.com/compose-spec/compose-go v1.8.2
 	github.com/containerd/console v1.0.3
-	github.com/containerd/containerd v1.6.14
+	github.com/containerd/containerd v1.6.15
 	github.com/distribution/distribution/v3 v3.0.0-20221201083218-92d136e113cf
 	github.com/docker/buildx v0.9.1 // when updating, also update the replace rules accordingly
 	github.com/docker/cli v20.10.20+incompatible // replaced; see replace rule for actual version

go.sum

@@ -120,8 +120,8 @@ github.com/compose-spec/compose-go v1.8.2/go.mod h1:Tb5Ae2PsYN3GTqYqzl2IRbTPiJtP
 github.com/containerd/cgroups v1.0.4 h1:jN/mbWBEaz+T1pi5OFtnkQ+8qnmEbAr1Oo1FRm5B0dA=
 github.com/containerd/console v1.0.3 h1:lIr7SlA5PxZyMV30bDW0MGbiOPXwc63yRuCP0ARubLw=
 github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=
-github.com/containerd/containerd v1.6.14 h1:W+d0AJKVG3ioTZZyQwcw1Y3vvo6ZDYzAcjDcY4tkgGI=
-github.com/containerd/containerd v1.6.14/go.mod h1:U2NnBPIhzJDm59xF7xB2MMHnKtggpZ+phKg8o2TKj2c=
+github.com/containerd/containerd v1.6.15 h1:4wWexxzLNHNE46aIETc6ge4TofO550v+BlLoANrbses=
+github.com/containerd/containerd v1.6.15/go.mod h1:U2NnBPIhzJDm59xF7xB2MMHnKtggpZ+phKg8o2TKj2c=
 github.com/containerd/continuity v0.3.0 h1:nisirsYROK15TAMVukJOUyGJjz4BNQJBVsNvAXZJ/eg=
 github.com/containerd/continuity v0.3.0/go.mod h1:wJEAIwKOm/pBZuBd0JmeTvnLquTB1Ag8espWhkykbPM=
 github.com/containerd/fifo v1.0.0 h1:6PirWBr9/L7GDamKr+XM0IeUFXu5mf3M/BPpH9gaLBU=