build(deps): bump openssl from 0.10.80 to 0.10.81

Bumps [openssl](https://github.com/rust-openssl/rust-openssl) from 0.10.80 to 0.10.81.
- [Release notes](https://github.com/rust-openssl/rust-openssl/releases)
- [Commits](https://github.com/rust-openssl/rust-openssl/compare/openssl-v0.10.80...openssl-v0.10.81)

---
updated-dependencies:
- dependency-name: openssl
  dependency-version: 0.10.81
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>