Bump openssl from 0.10.73 to 0.10.78

Bumps [openssl](https://github.com/rust-openssl/rust-openssl) from 0.10.73 to 0.10.78.
- [Release notes](https://github.com/rust-openssl/rust-openssl/releases)
- [Commits](rust-openssl/rust-openssl@openssl-v0.10.73...openssl-v0.10.78)

---
updated-dependencies:
- dependency-name: openssl
  dependency-version: 0.10.78
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.lock

@@ -30,6 +30,6 @@ tokio = { version = "1.52", features = ["rt", "macros"] }
 tokio-postgres = { version = "0.7.13", features = ["with-uuid-1"] }
 bb8 = "0.9.0"
 bb8-postgres = { version = "0.9.0", features = ["with-uuid-1"] }
-openssl = { version = "0.10.73", default-features = false, features = ["vendored"] }
+openssl = { version = "0.10.78", default-features = false, features = ["vendored"] }
 native-tls = { version = "0.2.14", default-features = false, features = ["vendored"] }
 postgres-native-tls = "0.5.1"