Add X25519MLKEM768 benchmarks

[WillChilds-Klein]

Goal

Add benchmarks for ML-KEM handshakes.

Why

Performance analysis.

How

By doing the thing.

Callouts

n/a

Testing

$ date
Thu Dec  4 18:34:10 EST 2025

$ pwd
/Users/childw/workplace/github/WillChilds-Klein/s2n-tls/bindings/rust/standard/benchmarks

$ uname -a
Darwin 7cf34deb0968 24.6.0 Darwin Kernel Version 24.6.0: Wed Oct 15 21:12:05 PDT 2025; root:xnu-11417.140.69.703.14~1/RELEASE_ARM64_T6030 arm64

$ cargo bench --bench handshake
...

$ open ../target/criterion/handshake-X25519MLKEM/report/index.html
...

Related

n/a

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