Bump openssl-sys from 0.9.95 to 0.9.96

Bumps [openssl-sys](https://github.com/sfackler/rust-openssl) from 0.9.95 to 0.9.96. - [Release notes](https://github.com/sfackler/rust-openssl/releases) - [Commits](rust-openssl/rust-openssl@openssl-sys-v0.9.95...openssl-sys-v0.9.96) --- updated-dependencies: - dependency-name: openssl-sys dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]