Add nginx 1.20.1
Add nginx 1.20.1

1.19 is a development release we should not be using. 1.20.1 is the
  current stable release.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

chef/omnibus-software,chef/omnibus-software,chef/omnibus-software,chef/omnibus-software,chef/omnibus-software,chef/omnibus-software