Remove rustversion pin (#1664)

## Which issue does this PR close?

Follow up on #1644 to remove
the pin.

- Closes #.

## What changes are included in this PR?


## Are these changes tested?

Author: Fokko

Cargo.toml

@@ -102,8 +102,6 @@ rand = "0.8.5"
 regex = "1.10.5"
 reqwest = { version = "0.12.12", default-features = false, features = ["json"] }
 roaring = { version = "0.11" }
-# Until https://github.com/elastio/bon/pull/336/ has been resolved
-rustversion  = "1.0.19"
 rust_decimal = "1.37.1"
 serde = { version = "1.0.219", features = ["rc"] }
 serde_bytes = "0.11.17"