Return error early if seconds part of timestamp is invalid (#6193)

Signed-off-by: nibon7 <nibon7@163.com>

crates/nu-command/src/filesystem/touch.rs

@@ -121,7 +121,15 @@ impl Command for Touch {
 
                 // Checks for the seconds stamp and removes the '.' delimiter if any
                 let (val, has_sec): (String, bool) = match stamp.split_once('.') {
-                    Some((dtime, sec)) => (format!("{}{}", dtime, sec), true),
+                    Some((dtime, sec)) => match sec.parse::<u8>() {
+                        Ok(sec) if sec < 60 => (format!("{}{}", dtime, sec), true),
+                        _ => {
+                            return Err(ShellError::UnsupportedInput(
+                                "input has an invalid timestamp".to_string(),
+                                span,
+                            ))
+                        }
+                    },
                     None => (stamp.to_string(), false),
                 };