feat: Print hugr-cli's correct version when using '--version' (#1790)

``` $ cargo run -- --version hugr-cli 0.14.0 ```
CQCL · Dec 17, 2024 · 66745bf · 66745bf
1 parent 1d11d3c
commit 66745bf
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/hugr-cli/Cargo.toml b/hugr-cli/Cargo.toml
@@ -16,7 +16,7 @@ categories = ["compilers"]
 bench = false
 
 [dependencies]
-clap = { workspace = true, features = ["derive"] }
+clap = { workspace = true, features = ["derive", "cargo"] }
 clap-verbosity-flag.workspace = true
 derive_more = { workspace = true, features = ["display", "error", "from"] }
 hugr = { path = "../hugr", version = "0.14.0" }

diff --git a/hugr-cli/src/lib.rs b/hugr-cli/src/lib.rs
@@ -1,6 +1,6 @@
 //! Standard command line tools, used by the hugr binary.
 
-use clap::Parser;
+use clap::{crate_version, Parser};
 use clap_verbosity_flag::{InfoLevel, Verbosity};
 use clio::Input;
 use derive_more::{Display, Error, From};
@@ -18,7 +18,7 @@ use hugr::package::Package;
 
 /// CLI arguments.
 #[derive(Parser, Debug)]
-#[clap(version = "1.0", long_about = None)]
+#[clap(version = crate_version!(), long_about = None)]
 #[clap(about = "HUGR CLI tools.")]
 #[group(id = "hugr")]
 #[non_exhaustive]