Upgrade to OpenSSL 3.0 and make openssl a standard package.

License is now Apache 2.0, which is GPL-compatible.
https://github.com/openssl/openssl/blob/master/LICENSE

Once Sage macOS binaries ship OpenSSL,
they will allow easily pip-installing extra packages.

Download tarball from:

• https://ftp.openssl.org/source/

CC: @slel @NathanDunfield @sagetrac-tmonteil @orlitzky @dimpase @posita @vbraun

Component: packages: optional

Keywords: openssl

Author: Matthias Koeppe

Branch/Commit: 383a100

Reviewer: Dima Pasechnik

Issue created by migration from https://trac.sagemath.org/ticket/29555