build(deps): bump oci-spec from 0.6.5 to 0.6.7

Bumps [oci-spec](https://github.com/containers/oci-spec-rs) from 0.6.5 to 0.6.7.
- [Release notes](https://github.com/containers/oci-spec-rs/releases)
- [Changelog](https://github.com/containers/oci-spec-rs/blob/main/release.md)
- [Commits](https://github.com/containers/oci-spec-rs/compare/v0.6.5...v0.6.7)

---
updated-dependencies:
- dependency-name: oci-spec
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.toml

@@ -56,7 +56,7 @@ krata-advmac = "1.1.0"
 krata-tokio-tar = "0.4.0"
 memchr = "2"
 nix = "0.29.0"
-oci-spec = "0.6.4"
+oci-spec = "0.6.7"
 once_cell = "1.19.0"
 path-absolutize = "3.1.1"
 path-clean = "1.0.1"