feat: show version (#84)

Author: miketheman

Diff for: src/main.rs

@@ -21,6 +21,7 @@ mod utils;
 
 /// Finds security issues in GitHub Actions setups.
 #[derive(Parser)]
+#[command(version)]
 struct Args {
     /// Emit findings even when the context suggests an explicit security decision made by the user.
     #[arg(short, long)]