crypto/internal/fips/mlkem: implement ML-KEM-1024

crypto/internal/fips/mlkem: implement ML-KEM-1024

Decided to automatically duplicate the high-level code to avoid growing
the ML-KEM-768 data structures.

For #70122

Change-Id: I5c705b71ee1e23adba9113d5cf6b6e505c028967
Reviewed-on: https://go-review.googlesource.com/c/go/+/621983
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>