Avoid wildcard dependencies in Cargo.toml

crates.io does not like them

Author: markgoddard

Cargo.toml

@@ -32,7 +32,7 @@ axum-server = { version = "0.4.7", features = ["tls-rustls"] }
 clap = { version = "4.2", features = ["derive", "env"] }
 expanduser = "1.2.2"
 flate2 = "1.0"
-http = "*"
+http = "0.2"
 hyper = { version = "0.14", features = ["full"] }
 lazy_static = "1.4"
 maligned = "0.2.1"
@@ -42,7 +42,7 @@ ndarray-stats = "0.5"
 num-traits = "0.2.16"
 prometheus = { version = "0.13", features = ["process"] }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "*"
+serde_json = "1.0"
 strum_macros = "0.24"
 thiserror = "1.0"
 tokio = { version = "1.28", features = ["full"] }