Bump openssl-sys from 0.9.86 to 0.9.87 in /cmd/zfs_object_agent (open…

…zfs#830)

Bumps [openssl-sys](https://github.com/sfackler/rust-openssl) from 0.9.86 to 0.9.87.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](sfackler/rust-openssl@openssl-sys-v0.9.86...openssl-sys-v0.9.87)

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

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