chore(deps): update rust crate snafu to 0.8

Author: stackable-bot

Cargo.toml

@@ -16,7 +16,7 @@ clap = "4.3"
 futures = { version = "0.3", features = ["compat"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-snafu = "0.7"
+snafu = "0.8"
 stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", tag = "0.64.0" }
 strum = { version = "0.25", features = ["derive"] }
 tokio = { version = "1.29", features = ["full"] }