Update indexmap

Author: AaronDewes

Cargo.lock

@@ -35,7 +35,7 @@ thiserror = "1.0.30"
 bigdecimal = { version = "0.4", features = ["serde"] }
 bigdecimal_03 = { package = "bigdecimal", version = "0.3" }
 uuid = { version = "1", features = ["serde"] }
-indexmap = "1.8.2"
+indexmap = { version = "2", features = ["serde"] }
 serde-value = "0.7.0"
 base64 = "0.13.0"
 tokio = { version = "1.21.0", optional = true }