build(deps): update foreign-types requirement in /bindings/rust/extended

Updates the requirements on [foreign-types](https://github.com/sfackler/foreign-types) to permit the latest version.
- [Release notes](https://github.com/sfackler/foreign-types/releases)
- [Commits](sfackler/foreign-types@foreign-types-shared-v0.3.1...v0.5.0)

---
updated-dependencies:
- dependency-name: foreign-types
  dependency-type: direct:production
...

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

Author: dependabot[bot]

bindings/rust/extended/s2n-tls/Cargo.toml

@@ -30,6 +30,6 @@ hex = "0.4"
 futures-test = "0.3"
 openssl = "0.10"
 openssl-sys = "0.9"
-foreign-types = "0.3"
+foreign-types = "0.5"
 temp-env = "0.3"
 checkers = "0.6"