In order to enable all KAT tests, the AES based
DRBG is need (for seed expansion). This PR adds
port of DRBG, initialy written by NIST.

Afterwards, the katrunner is modified to enable
key generation, encapsulation and signing KATs.

Testing of NTRU prime is disabled, as it doesn't
pass KAT tests now. The tests for SPHINCS+ are
now very slow.

* Update Dilithium

* Alternative montgomery reduce to avoid i386 functest errors

* Explicit casts for msvc

* More casts; bump upstream version; fix metadata

* another cast

Makes Kyber-AVX run on MacOS (#251)

* rainbow update

* update workflows

* re-add /O2 in nmake Makefile

* Fix a bunch of issues in SPHINCS+ on Windows
* Fix testing makefile dependencies by fixing times of common files
  (affected Windows testing mainly)