fix(deps): bump openssl to 0.10.80 (security)

[avifenesh]

Resolves 3 open Dependabot alerts against the openssl crate (< 0.10.80): 1 high, 2 medium.

• openssl 0.10.78 -> 0.10.80
• openssl-sys 0.9.114 -> 0.9.116 (transitive)

Lockfile-only. cargo build + cargo test pass locally.

[gemini-code-assist]

Code Review

This pull request updates the openssl dependency from version 0.10.78 to 0.10.80 and the openssl-sys dependency from version 0.9.114 to 0.9.116 in Cargo.lock. There are no review comments, and I have no feedback to provide.