yes: allow --version

Test: tests/help/help-version-getopt.sh

src/uu/yes/src/yes.rs

@@ -9,7 +9,7 @@
 
 // cSpell:ignore strs
 
-use clap::{builder::ValueParser, Arg, ArgAction, Command};
+use clap::{builder::ValueParser, crate_version, Arg, ArgAction, Command};
 use std::error::Error;
 use std::ffi::OsString;
 use std::io::{self, Write};
@@ -44,6 +44,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
+        .version(crate_version!())
         .about(ABOUT)
         .override_usage(format_usage(USAGE))
         .arg(

tests/by-util/test_yes.rs

@@ -35,6 +35,11 @@ fn test_invalid_arg() {
     new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
 }
 
+#[test]
+fn test_version() {
+    new_ucmd!().arg("--version").succeeds();
+}
+
 #[test]
 fn test_simple() {
     run(NO_ARGS, b"y\ny\ny\ny\n");