v1.6.0-rc.1

• Add AARCH64 package for Amazon Linux 2
• Include nvidia-container-runtime binary in nvidia-container-toolkit package
• Add libseccomp2 dependency from nvidia-container-runtime

NOTE: This release is the first unified release of the NVIDIA Container Toolkit that consists of the following packages:

• libnvidia-container 1.6.0-rc.1
• nvidia-container-toolkit 1.6.0-rc.1
• nvidia-container-runtime 3.6.0-rc.1
• nvidia-docker2 2.7.0-rc.1

The packages for this release are published to the libnvidia-container package repositories as experimental.