Release 0.20.0

Author: bolinfest

codex-rs/Cargo.toml

@@ -20,7 +20,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.0.0"
+version = "0.20.0"
 # Track the edition for all workspace crates in one place. Individual
 # crates can still override this value, but keeping it here means new
 # crates created with `cargo new -w ...` automatically inherit the 2024