mu 0.9.9.6

Closes #30797.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
hub 1.12.2

Closes #30816.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
LibreSSL 2.0 (new formula)

Add a formula for the first portable release of LibreSSL, OpenBSD's
fork of OpenSSL.
libressl: add 2.0.0 bottle.