Update Rust crate clap to 3.1

Author: renovate-bot

rust/operator-binary/Cargo.toml

@@ -11,7 +11,7 @@ version = "0.1.0-nightly"
 stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", tag = "0.15.0" }
 stackable-spark-k8s-crd = { path = "../crd" }
 anyhow = "1.0"
-clap = "3.0"
+clap = "3.1"
 fnv = "1.0"
 futures = { version = "0.3", features = ["compat"] }
 lazy_static = "1.4"