Bump openssl from 0.10.38 to 0.10.40

Bumps [openssl](https://github.com/sfackler/rust-openssl) from 0.10.38 to 0.10.40.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.38...openssl-v0.10.40)

---
updated-dependencies:
- dependency-name: openssl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

plume-common/Cargo.toml

@@ -12,7 +12,7 @@ array_tool = "1.0"
 base64 = "0.13"
 heck = "0.4.0"
 hex = "0.4"
-openssl = "0.10.22"
+openssl = "0.10.40"
 rocket = "0.4.6"
 reqwest = { version = "0.9", features = ["socks"] }
 serde = "1.0"