Now using aws-lc instead of libcrypto on UNIX platforms

Integration of AWS LC as crypto implementation on UNIX platforms (#67)

* Make Unix platforms build with AWS-LC

* Disabled fail-fast on matrix tests

* temporarily remove auth downstream until auth is updated

* Deleted libcrypto depedency:

* Added aws-lc as dependency

* Added support for lib64 dirs on RH variants

* Consume LibCrypto::Crypto the same way s2n does

* Removed broken shared-libs job

Co-authored-by: Andrew Kaufman <57281817+andrew-kaufman@users.noreply.github.com>