Bump cxx from 1.0.94 to 1.0.95 in /cmd/zfs_object_agent (openzfs#898)

Bumps [cxx](https://github.com/dtolnay/cxx) from 1.0.94 to 1.0.95.
- [Release notes](https://github.com/dtolnay/cxx/releases)
- [Commits](dtolnay/cxx@1.0.94...1.0.95)

---
updated-dependencies:
- dependency-name: cxx
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>