Freetype, libgmp, libgcrypt, GnuTLS, libass, libssh, libbluray, libilbc updates

The following projects have been updated:

• ffmpeg was updated to 4.4.r100428.
• Freetype was updated to 2.10.3 then to 2.10.4.
• libgmp was updated to 6.2.1.
• libgcrypt was updated to 1.8.7.
• GnuTLS was updated to 3.7.0.
• libass was updated to 0.15.0.
• libssh was updated to 0.9.5.
• libbluray was updated to 1.2.1.
• libilbc was updated to 3.0.0 then to 3.0.1.

Any projects that have a dependency that was updated has also been updated to build with the latest versions of the new libraries as well.