chore(deps): bump oras.land/oras-go/v2 from 2.5.0 to 2.6.0 (#6225)

Bumps [oras.land/oras-go/v2](https://github.com/oras-project/oras-go) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/oras-project/oras-go/releases)
- [Commits](https://github.com/oras-project/oras-go/compare/v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: oras.land/oras-go/v2
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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