NLB-6212: enable R33 directives

[xynicole]

Proposed changes

Manually create the config JSON files by comparing the directives, then use the generator to create the directives.gen.go files.
To secure the private link in the public repositories, we will use environment variables.

New directives introduced in R33:

mgmt module

• license_token file
• deployment_context file (not in the official doc https://nginx.org/en/docs/dirindex.html, so we filter it out)
• enforce_initial_report on | off;
• state_path path

ngx_stream_ssl_module

• ssl_ocsp on | off | leaf;
• ssl_ocsp_cache off | [shared:name:size];
• ssl_ocsp_responder url;
• ssl_stapling on | off;
• ssl_stapling_file file;
• ssl_stapling_responder url;
• ssl_stapling_verify on | off;

other directives:

• proxy_pass_trailers
• ssl_key_log
• proxy_ssl_key_log
• grpc_ssl_key_log
• uwsgi_ssl_key_log

njs:
In R33, the NGINX JavaScript module was updated to version 0.8.7.
According to njs release and code changes, the 3 directives listed below were introduced/changed in njs 0.8.6.

• js_context_reuse
• js_engine
• js_set

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING document
• If applicable, I have added tests that prove my fix is effective or that my feature works
• If applicable, I have checked that any relevant tests pass after adding my changes
• I have updated any relevant documentation (README.md)

[ornj]

Shouldn't this be invalid with any args?

[xynicole]

Confirmed with the SE team that the new zone_sync arg is a temporary workaround for a specific customer and should stay undocumented. They'll remove it as soon as the underlying problem is properly solved.
Restore this unit test.