build(deps): bump github.com/containerd/imgcrypt

Bumps [github.com/containerd/imgcrypt](https://github.com/containerd/imgcrypt) from 1.1.12-0.20240528203804-3ca09a2db5cd to 1.2.0-rc1.
- [Release notes](https://github.com/containerd/imgcrypt/releases)
- [Changelog](https://github.com/containerd/imgcrypt/blob/main/CHANGES)
- [Commits](https://github.com/containerd/imgcrypt/commits/v1.2.0-rc1)

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

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

vendor/github.com/containers/ocicrypt/gpg.go

@@ -79,9 +79,8 @@ func GuessGPGVersion() GPGVersion {
 		return GPGv2
 	} else if err := exec.Command("gpg", "--version").Run(); err == nil {
 		return GPGv1
-	} else {
-		return GPGVersionUndetermined
 	}
+	return GPGVersionUndetermined
 }
 
 // NewGPGClient creates a new GPGClient object representing the given version