build(deps): update prost requirement from 0.12 to 0.13

Updates the requirements on [prost](https://github.com/tokio-rs/prost) to permit the latest version.
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Changelog](https://github.com/tokio-rs/prost/blob/master/CHANGELOG.md)
- [Commits](tokio-rs/prost@v0.12.0...v0.13.0)

---
updated-dependencies:
- dependency-name: prost
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

quic/s2n-quic-sim/Cargo.toml

@@ -16,7 +16,7 @@ bytes = "1"
 humantime = "2"
 indicatif = { version = "0.17", features = ["rayon"] }
 once_cell = "1"
-prost = "0.12"
+prost = "0.13"
 rand = "0.8"
 rayon = "1"
 s2n-quic = { path = "../s2n-quic", features = ["unstable-provider-io-testing", "provider-event-tracing"] }