Add new version line: node 20.16.0

[cf-buildpacks-eng]

Please edit the dependency-builds pipeline to add the new version line to the relevant dependency/buildpack.

For nginx/nginx-static: Also remove older mainline/stable version.
E.g. If you are adding nginx 1.22, you will remove 1.20. If you are adding 1.23, you will remove 1.21

{source:{name:node,type:node,version_filter:node-lts},version:{ref:20.16.0,url:https://nodejs.org/dist/v20.16.0/node-v20.16.0.tar.gz,sha256:8f24bf9abe455a09ab30f9ae8edda1e945ed678a4b1c3b07ee0f901fdc0ff4fd}}

[arjun024]

cloudfoundry/nodejs-buildpack#755