xtask: update crates, re-run codegen (#50)

This change updates the xtask dependencies and then re-runs the `cargo
xtask codegen` task.

* test: update `float-cmp` dev-dependency

* license: allow Unicode-DFS-2016 license

Author: abrown

Cargo.lock

@@ -2,7 +2,7 @@ use super::types::*;
 use crate::link;
 link! {
 
-/* automatically generated by rust-bindgen 0.58.1 */
+/* automatically generated by rust-bindgen 0.61.0 */
 
 extern "C" {
     #[doc = " @brief Returns number of version that is exported. Use the ie_version_free() to free memory."]