Drop Go 1.15, add 1.17

Drop Go 1.14, add 1.16

Add primary group automatically

Fixes "groups: cannot find name for group ID 1000"

Build with Go 1.14

Add runtime.Version() to COT_DEBUG output

Update dependencies

Move variable to separate scope

Fix Podman "OCI runtime permission denied error"

Migrate GitHub Actions to YAML syntax

Fix name of darwin build artifact