fix(cli): eliminate leak of version string

Cargo.toml

@@ -109,6 +109,7 @@ clap = { version = "4.5.41", features = [
   "derive",
   "env",
   "help",
+  "string",
   "unstable-styles",
 ] }
 clap_complete = "4.5.55"

crates/cli/src/main.rs

@@ -1746,7 +1746,6 @@ fn run() -> Result<()> {
         || BUILD_VERSION.to_string(),
         |build_sha| format!("{BUILD_VERSION} ({build_sha})"),
     );
-    let version: &'static str = Box::leak(version.into_boxed_str());
 
     let cli = Command::new("tree-sitter")
         .help_template(