update date-check format on github issue (#1416)
update date-check format on github issue (#1416)

Co-authored-by: Noah Lev <8177b8a8abced623d23d70ce3ff2dc3fbf53888c@gmail.com>
rust-lang/rustc-dev-guide,rust-lang/rustc-dev-guide,rust-lang/rustc-dev-guide,rust-lang/rustc-dev-guide