Bump openssl from 0.10.68 to 0.10.70

Bumps [openssl](https://github.com/sfackler/rust-openssl) from 0.10.68 to 0.10.70.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](rust-openssl/rust-openssl@openssl-v0.10.68...openssl-v0.10.70)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -46,7 +46,7 @@ quinn = { version = "0.11.5", default-features = false, features = [
 rustls = { version = "0.23.16", default-features = false, features = ["ring"] }
 rcgen = "0.13.1"
 netdev = "0.31.0"
-openssl = { version = "0.10.68", optional = true }
+openssl = { version = "0.10.70", optional = true }
 tokio-openssl = { version = "0.6.5", optional = true }
 arc-swap = "1.7.1"
 dashmap = { version = "6.1.0", features = ["inline"] }