Bump ocidir from 0.2.1 to 0.3.1

Bumps [ocidir](https://github.com/containers/ocidir-rs) from 0.2.1 to 0.3.1.
- [Commits](bootc-dev/ocidir-rs@v0.2.1...v0.3.1)

---
updated-dependencies:
- dependency-name: ocidir
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ description = "A tool to convert Helm charts tarfiles into OCI layout"
 anyhow = "1.0.75"
 argh = "0.1.12"
 flate2 = { version = "1.0.35", features = ["zlib"], default-features = false }
-ocidir = "0.2.1"
+ocidir = "0.3.1"
 serde_json = "1.0.133"
 serde_yml = "0.0.12"
 tar = "0.4.43"