build(deps): bump openssl from 0.10.66 to 0.10.72

Bumps [openssl](https://github.com/sfackler/rust-openssl) from 0.10.66 to 0.10.72.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](rust-openssl/rust-openssl@openssl-v0.10.66...openssl-v0.10.72)

---
updated-dependencies:
- dependency-name: openssl
  dependency-version: 0.10.72
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.lock

@@ -11,4 +11,4 @@ rand = "0.3.14"
 # The following commit results in a successful build, which reverts the above commit
 zstd = { git = "https://github.com/syncom/zstd-rs", rev ="abbc3b6a21c9825243933cbb6778781608db56dc" }
 [target.'cfg(unix)'.dependencies]
-openssl = "0.10.66"
+openssl = "0.10.72"