build(deps): bump openssl

Bumps the cargo group with 1 update in the /weaver/core/relay directory:
[openssl](https://github.com/sfackler/rust-openssl).

Updates `openssl` from 0.10.64 to 0.10.66
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](sfackler/rust-openssl@openssl-v0.10.64...openssl-v0.10.66)

---
updated-dependencies:
- dependency-name: openssl
  dependency-type: indirect
  dependency-group: cargo
...

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