Rollup merge of rust-lang#104125 - ink-feather-org:const_cmp_tuples, …

…r=fee1-dead

Const Compare for Tuples

Makes the impls for Tuples of ~const `PartialEq` types also `PartialEq`, impls for Tuples of ~const `PartialOrd` types also `PartialOrd`, for Tuples of ~const `Ord` types also `Ord`.

behind the `#![feature(const_cmp)]` gate.

~~Do not merge before rust-lang#104113 is merged because I want to use this feature to clean up the new test that I added there.~~

r? ``@fee1-dead``