build(deps): bump github.com/opencontainers/selinux (#3679)

Bumps [github.com/opencontainers/selinux](https://github.com/opencontainers/selinux) from 1.13.1 to 1.15.1.
- [Release notes](https://github.com/opencontainers/selinux/releases)
- [Commits](https://github.com/opencontainers/selinux/compare/v1.13.1...v1.15.1)

---
updated-dependencies:
- dependency-name: github.com/opencontainers/selinux
  dependency-version: 1.15.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: Ben Kochie <superq@gmail.com>