Merge pull request #13 from conduit-rust/renovate/rust-conduit-middleware-0.9.x

Update Rust crate conduit-middleware to 0.9.0-alpha.4

Author: jtgeibel

Cargo.toml

@@ -12,7 +12,7 @@ the response is fresh.
 
 [dependencies]
 conduit = "0.9.0-alpha.5"
-conduit-middleware = "0.9.0-alpha.2"
+conduit-middleware = "0.9.0-alpha.4"
 time = { version = "0.2", default-features = false, features = ["std"] }
 
 [dev-dependencies]