Bump op-rs (#485)

Author: razvan

Cargo.lock

@@ -21,7 +21,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_yaml = "0.9"
 snafu = "0.7"
-stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", tag = "0.62.0" }
+stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", tag = "0.64.0" }
 product-config = { git = "https://github.com/stackabletech/product-config.git", tag = "0.6.0" }
 strum = { version = "0.25", features = ["derive"] }
 tokio = { version = "1.29", features = ["full"] }